MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable hosting, suggesting a link farm designed to distribute malicious files. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9838
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://parkhigh65.com/clients/4970/File/45396570491.pdf In PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/u2dbgbal9dnrkgpobbqmrv7dte/49133587303.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/11c758f1b4b9d490e4db90ec621d38df/91191554954.pdfIn PDF document text
- https://werbemittelag.chupload/file/dadesab.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/lukivujugup.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2db9e71d4---32566349333.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d0d50262f---pagoxukefotigojerawa.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/e87d1b58d3b9339071666370666f0be2/65154309386.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/58d663b5414f0876a37c5461d15c3b84/35132873702.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a1cc4ec6491---mopukorivutatimodafazam.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/ouq3etjpka5rdp2dlsdghb6d41/71370315878.pdfIn PDF document text
- https://daaeportrett.no/upload/file/30064069791.pdfIn PDF document text
- http://scamps.biz/userfiles/file/30700556861.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607415349acfe---27758415979.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/6bf6e3a5ee37739c5cd1f0d22ee32fd7/taxaguzi.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160844633f0ddf---nasuterilujixemifa.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/ad0a4052040c64423fac23348bf4ae9c/66722150699.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/abf1dc64cab7fe2398479f4d41b2f314/65281213675.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b40225678e5---dudogilijunovawat.pdfIn PDF document text
- https://lamaisonducoeur.ca/upload/editor/file/26046069885.pdfIn PDF document text
- https://primer-spb.ru/files/files/vosuvizenukilo.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/o86e0874sa3sbmd6csieuu23tm/legugexoxevuxezidexox.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/gjobhavbhcslescntt8np62bgs/potoboto.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/43a1d13186a436c5f0c7ce9c6f31f36a/95335822483.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8bb2142b9---gunabotosenejitofamavoz.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a159e398a1---71640312631.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=call+of+duty+2+download+torentPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017ed1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17ED1 | 20356 bytes |
SHA-256: 848c731cc8d92a547c2f7dc64305be5a80e71b5bbfc5eb6bac3b86fe9e5432a0 |
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font_01_sfnt_off0001b354.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B354 | 10540 bytes |
SHA-256: a07a9b6415bf575b9ad74a2eba77e41b8b8a2a5f73a566b579ca2e1ade56c4e1 |
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font_02_sfnt_off0001cbaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CBAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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