MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware delivery campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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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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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://queure.ru/uplcv?utm_term=hoja+de+dos+lineas+para+imprimir PDF link annotation
- https://senhewood.com/d/files/vobunadenebopevak.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16090b91cd423a---13702531249.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/b41de8e077f95c1fa3ba371025ca686b/repazu.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/34136010720.pdfIn PDF document text
- http://wonikquartz.com/upload/editor/file/1627898018.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/cfc2454839dcff0fd43606642bc43f2a/20620011214.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/9c002d05f41beddf85cbbaef5dae6883/49200294736.pdfIn PDF document text
- http://tgtech-auto.com/userfiles/file/47910237787.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/deaba3m60kbgbuonqh8s0a4lil/19458050357.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/34711491089.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/a87kdflsdiabg55nv8snaht5c4/19685691095.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/d38657662ca3c5cf3bb84f64836876fc/zevutakuzafuzusew.pdfIn PDF document text
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/138a85aaa900ddef93106537f4b38e0b/99772835701.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608a0fe416bd3---75481186327.pdfIn PDF document text
- http://allasclub.com/campannas/file/lafazamazerilipedeveti.pdfIn PDF document text
- https://nasikampung.info/contents//files/sututetopafumosesegaxi.pdfIn PDF document text
- http://xn--b1adcbbai1bezln.xn--p1ai/content/File/nogimujus.pdfIn PDF document text
- http://dvif.fr/userfiles/file/zadex.pdfIn PDF document text
- https://baigiangtoanhoc.com/upload/files/sulofafatodezivifabotex.pdfIn PDF document text
- https://ita.kru.ac.th/ckfinder/userfiles/files/50175964680.pdfIn PDF document text
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/xofudurisedidavut.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/c1f1f50ce9c26aa236eaa634292b8bb9/10682062745.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d828d478541---73753011578.pdfIn PDF document text
- http://kustari.net/userfiles/file/35141014277.pdfIn PDF document text
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/f010d6e2f09e976214b05c9d6913024a/782721185.pdfIn PDF document text
- 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_off0000e30b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE30B | 17864 bytes |
SHA-256: 9943f47e2cd54cf06c861fb20160e32919a95a1791c0bd40816bfcdfbd67c30e |
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font_01_sfnt_off0001106c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1106C | 10576 bytes |
SHA-256: 04cdac6f00903f17c308d1ac968f2e0d9d5fc746491915ab60ff983670b3016d |
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font_02_sfnt_off0001285d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1285D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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