MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a malicious PDF, as indicated by ML classification and ClamAV detection. It contains a link farm pointing to numerous compromised websites, likely intended to trick users into downloading further malicious content. The PDF structure and embedded URLs suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://drafthe.ru/uplcv?utm_term=pearson+human+communication+6th+edition+pdf
- http://matras-devison.ru/upload/file/tawugexesanugumuzujeni.pdf
- http://asu78.ru/userfiles/file/vixijejeraludupasan.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/c64c3c979cd85aefb8dcf7f1b6d7e95d/vewufusepikobeleberezefo.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610af8014cf76---26643524396.pdf
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/21fb092ae89a54bcb1768ecccfff2088/53709055787.pdf
- http://onlinevay.com/upload/files/basedogefu.pdf
- http://baovephuongtroi.com/vietkiendo/upload/file/93506823134.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba0fbe45d7---nawapexutulelotovuduguved.pdf
- http://straps.by/ckfinder/userfiles/files/tomikivejitenutawidisaf.pdf
- http://finadev-groupe.com/userfiles/file/tutobunokeradote.pdf
- http://americasbestwingsbeltsville.com/uploads/files/pibono.pdf
- http://pincodehub.in/userfiles/file/ruvigafinuderemeb.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160763ac953939---nesavusomosefuguvexusiluj.pdf
- https://fnb-concepts.com/images/uploads/files/56265402500.pdf
- http://bm-shower.com/userfiles/files/vobesiwusogelibu.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078325193a3d---46655621573.pdf
- https://acronimocostanzo.com/userfiles/file/6343609408.pdf
- https://speakingparrot.com/upload/ckfinder/files/mogeropebajuzubogufevu.pdf
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/porguoqo0o9f1lmll517ubdkus/50498050701.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/t1a69jcoscjr3jrl34mha9lpns/jajibovetefepebut.pdf
- http://rund.cz/UserFiles/File/nivozusatepej.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb0559d1950---varegogavuxatazafofadeze.pdf
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/skn087ql15t33ft23stjsaa88m/rexoxuzumazikujafesed.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/f05af7ba0091eac3a9201b3c221136b1/liwikarupojubape.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68aa7a38bc---lizika.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_off0000c77d.bineb26efad7bfa45304b10e20769bdb5032649bafba808c8fc82f3bfad860118fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC77D | 15740 bytes |
font_01_sfnt_off0000ef7e.bin51834bf5f1ad80c9a04f18f715b2eb5c1571c82a6f265ba422f34a6a0fe4a333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7E | 11108 bytes |
font_02_sfnt_off0001093f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1093F | 16792 bytes |
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