MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites and utilizing formcraft/super-forms plugin upload directories. This structure strongly suggests a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection further confirm its malicious nature, with ClamAV identifying it as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3305442e1b---vaxukejizafatamexeko.pdf
- http://logiccpacma.com/ckfinder/userfiles/files/zixurefajoditebadove.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdbe7dd70fd---revuzire.pdf
- http://tamker.hu/userfiles/file/28537376714.pdf
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/a265b93fea721cb7120694abecada6ee/mopebepifalakofi.pdf
- http://palami.by/images/file/xomemusuxo.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/ouc1km4ql67bt8s4f1vsh23lp3/99337561932.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1130cf3cc7---zosekodojomi.pdf
- http://bike-aholic.com/UserFiles/file/17867488088.pdf
- http://benjamin1908.com/clients/f/f4/f4560e3fe432b95d15e234f900dec36a/File/76274821489.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/9622d3d731d21148e4eb11bb2f1db591/fidesibenuguwok.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1b6f477f0---89651737818.pdf
- http://abcbyspu.com/ckfinder/images_store/files/komuwilolenobulowaleje.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/h8gvinocaq0muo253kfu22bfbi/23462172181.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/7as0ddsl698rr18tes0p22lniu/zivebojisijivarigo.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a67e1b8b78b---bifutixefo.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d86d9885721---vamesugomazovodifa.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/cf0aa64c8dc3e777fbeebaaa47fc26ed/58543963728.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fff94d3d7e---72549004088.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/2a743d6d44ee88eaeff54f2f6c516318/62815781972.pdf
- http://tjsijiqing.com/ckfinder/userfiles/files/2021/0529/59f4a470d4086808bf179e07846f9c8e.pdf
- http://ucity69.com/clients/861769/File/20096931489.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/5d7tmfs87n58ni2qep7hmg2h6a/guxerafi.pdf
- http://antansconstructions.com/ckfinder/userfiles/files/zafaw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=little+creatures+hobsonville
- 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_off0000d764.binf1679765dfcb5f0b97bf9e01edcd7290585fe49e3c963197fa2a12edd1deeb58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD764 | 10588 bytes |
font_01_sfnt_off0000ef8c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8C | 16792 bytes |
font_02_sfnt_off0001079e.bin4a0ba3305b100eb9f62f0439faba219a387a5bf4fd10982209a3f72ac1ac09d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1079E | 16924 bytes |
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