MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm or phishing lure. The PDF structure and embedded URLs are indicative of a phishing attack, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 http://xiaohecollege.com/d/files/kipavamebaxobekosugu.pdf In PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e6a605e5cf---lefegigezosipujamiforel.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160b713306e02e---favelujukimoximedova.pdfIn PDF document text
- https://cleaner.pl/userfiles/file/lagodunafigutil.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/81e6ae1c66cfa841ba8f00217c957181/1372028516.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/g7i7qjqd71ogg4aapms0rg9074/81922047698.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b880f36f430---susuvoxexideridawi.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/aa247fcc6c2fc150a62ba38f3460f346/mofenufolidimesuso.pdfIn PDF document text
- http://xn--aknmedcal-wpbe.com/uploads/file/kakutone.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/5qn1cv26jmlenihrkkmplok09k/15851613101.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0e83279a4---guzobizizokosoditodo.pdfIn PDF document text
- http://namlinhchivietnam.net/userfiles/image/file/65060118945.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087318c13ceb---dafode.pdfIn PDF document text
- https://teamcode.net/upload/files/22289407754.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/17d9ee7a195ab08ec105e47c02a27ca0/xusasa.pdfIn PDF document text
- https://roweryelectra.eu/app/webroot/uploads/file/16294273069324.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610050baa6ba1---90339866653.pdfIn PDF document text
- http://cintabogor.com/Uploads/userfiles/files/kizani.pdfIn PDF document text
- http://ropesadventure.com/d/files/lotarapib.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a144b49efad---waropesepamupoxe.pdfIn PDF document text
- http://magicfood-cn.com/files/20210828181727.pdfIn PDF document text
- http://bong-dem-long.org/upload/editor/files/55237728209.pdfIn PDF document text
- http://kipia-nn.ru/userfiles/file/37021991957.pdfIn PDF document text
- http://twfbs.com/ckfinder/userfiles/files/noradulajubisejafi.pdfIn PDF document text
- http://glenbrooksouth1970.com/clients/1/17/17fc1bd13d5538a69f39d58c869d2fc5/File/pojeba.pdfIn PDF document text
- http://tpokebar.com/uploads/files/wilujufisokobetoz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=metric+handbook+planning+and+design+data+5th+edition+pdfPDF 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_off0000dd93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A5 | 19356 bytes |
SHA-256: 0d5dcdc7167136c926e3a7b984877fb5959f01f7cee4736f02c021660840ff38 |
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font_02_sfnt_off000128ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128AD | 11256 bytes |
SHA-256: bfd45b432bff26462eb88b8c44b29ae270b3e169ef610f31fd46e17e1be6132d |
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