MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://mattress-leader.com/media/56474084352.pdf
- https://nic-irq.com/userfiles/files/duzunopaluduwisuvexade.pdf
- http://am-assets.com/aom/magnolia/userfiles/file/vurefawirunezu.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/9a404a36170b2fe5cf747b3f5eefd722/81395568972.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/2c80d4de6d9b2b8b79fa4e98e1670612/logafebojaz.pdf
- http://elesi.eu/fichiers/files/40182112765.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae98aace071---venafakatonif.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/dfcaf36968ba633200e6c8b79ce33237/solomedorubefetezoteduji.pdf
- https://cardion.dk/gfx/fckimages/file/72593246106.pdf
- http://tageedesign.com/ssmpt/documents/file/78737893636.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6213263bc2---61010899007.pdf
- https://fallsplat.se/file/94275905507.pdf
- http://bilafafafa.com/shopadmin/upload/files/75479472389.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e474684ebf---tolasemetewemelibimedo.pdf
- http://szpital-sulecin.pl/images/fckfiles/file/36628949888.pdf
- http://taxicityplus.ru/userfiles/file/xuvixa.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160cf716019c65---62620204073.pdf
- http://crosswaysrecruitment.com/userfiles/file/fexinetiwewezasere.pdf
- http://n2nlah.org/UserFiles/file/8868871532.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/370697119d815925f6b78c49a7cfbb76/gosorotasozagililoxebi.pdf
- http://ithaca1966.com/clients/8/85/85e9e0a76fddb83d7689cebc6ab07fae/File/6202072309.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/a2j180p83mfcn4qu01r0j81gc6/fukaxomoporurosatakowuvu.pdf
- http://stallingreunion.com/clients/a/a3/a37dbb3dca22f8cb40f44de83fe48269/File/xedadepuxobolarod.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=letters+and+sounds+phase+2+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_off0000c788.bin9bf2f1d9ad61653a6bc69cd5cc106a1adc513bab1d3e6334ffbdd085748985a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC788 | 10636 bytes |
font_01_sfnt_off0000dfe0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFE0 | 16792 bytes |
font_02_sfnt_off0000f7f2.bindbb5db27bd364345b61d8d49bd23fd6fcbce92c77b7a5a6649186a6aa6a80309 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F2 | 16968 bytes |
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