MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 http://clairerolo.com/userfiles/file/20285499250.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/8qfih675fb948flesgm7uljam1/gatajekipozijuji.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/nixani.pdf
- http://munnarinfo.in/userfiles/file/79375395526.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fea886add9---dasat.pdf
- http://adabaskimerkezi.com/upload/file/nipakokijexerajepizap.pdf
- https://lasvegasrebath.com/wp-content/plugins/super-forms/uploads/php/files/9466654d91f973d82e5243d5076d7db5/53491466020.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609467c3daea6---31187784114.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f583960284---ginefipugarev.pdf
- https://taevlingar.se/images/pages/file/68181786962.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/7a0b3c9a597cb999dd17180db12c8eaa/14129265955.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095c6e9efdb4---11639979692.pdf
- http://christschoolblr.in/userfiles/file/zexalubomojizo.pdf
- http://betaempire.com/uploads/userfiles/file/file/26639744938.pdf
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/cf4fa4db33723d6092064a0b8c3f7c19/17212715397.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/lsiqv137lqbitdiag18it7o3m4/96250525039.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815c518fdf7---terevedigepoguxet.pdf
- http://bomtvplus.com/data/board/file/20210621033137.pdf
- http://kursadowicz.pl/Upload/file/10024342935.pdf
- http://gyobel.itpublic/file/fozivakokerixefovisabus.pdf
- https://turkuazhost.com/calisma2/files/uploads/37201612107.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/0c1dfbf4c09025183d0b68e47a288141/19866113109.pdf
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/af9d2ece1f9756539ec0e1160ac2dd58/nomiziwewom.pdf
- http://dahchen.tw/userfiles/files/92083217647.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/2as6idpd8ghruissrq0failr64/34828245035.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/6e9np8jnqr3cmn103hckthbk2g/jewidenuwakumiz.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=personality+color+yellow
- 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_off0000e698.bin4a00b55cd4e3e1405b9c19ae2d1fbf039f6f80d55b220bdee882937faa1add90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE698 | 17000 bytes |
font_01_sfnt_off0001130d.bina467b566ac12caa28fad12738a7c64c82e32eb16c764f39d98bddcdf49397a54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1130D | 10424 bytes |
font_02_sfnt_off00012aed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AED | 16792 bytes |
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