MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The presence of numerous URLs, many pointing to compromised CMS upload directories or disposable hosting, indicates a link farm designed to obscure the ultimate destination. The primary attack pattern involves redirecting users through these links, likely to a phishing page or a site hosting further malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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 https://privatecambodiatour.com/userfiles/file/85760684614.pdf
- http://zrdb-drogbud.pl/Upload/file/18123044683.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/25fd58a35e2c37c811a9c5849a7289c8/sodepirixasaga.pdf
- http://sb-78.ru/files/file/bepig.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/8je1vnajtq6pcg5hto3ot5265s/vonedenidofuxefoxoxeder.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/c0d47627ebbe4fa68c879ba23517c425/guwobukeveporagel.pdf
- http://szjwwj.com/userfiles/file///renesiku.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087cb269c10e---44405960821.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100e3293e71d---vumovajazasuvof.pdf
- http://timebank.ru/sites/default/files/photos/pagefile/45611961362.pdf
- http://www.toptehnik.si/images/supepipuzusijupaminu.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0b6acecda---58130030758.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/b221a4091b353d79d7f42268311b4b78/44738535957.pdf
- http://barbusci.it/maisUserFile/file/68409977031.pdf
- http://merwepizza.com/upload/file/19450610087.pdf
- http://hphs1958reunion.com/clients/47465/File/sezupidunexegelegafudolo.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0456cc29c---jefuvur.pdf
- https://raiporjai.com/piceditor/file/lugepazakisak.pdf
- https://hargagila.com/uploads/image/files/sibavujawitobuvekude.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160986f68660cf---vebuwukoxodaz.pdf
- http://amexeuro.com/an3_Uploads/file/32927311329.pdf
- https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3560bf5bd---44188542929.pdf
- http://kisito.com/userfiles/file/89976049755.pdf
- https://ivanamihic.com//files/nekigokazunarigelubipeso.pdf
- http://keralatravelpath.com/uploads/file/98129506515.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/3a533f2b51a6046a7c0672b2487dfcd2/bikemap.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b237f5fe6a---mikuli.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=ejercicios+de+multiplicacion+de+fracciones+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de39.binde2b48416fac0133ff2f3986703176e2b1a1854b49f276e3105f4bdef04f3579 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE39 | 10992 bytes |
font_01_sfnt_off0000f7b2.bin646072c7031402dae765c7ed109b7711bdc2ce5ab1120fe4029faab0d6d17470 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B2 | 18076 bytes |
font_02_sfnt_off000124f5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124F5 | 16792 bytes |
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