MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The document's structure as a link farm, combined with the compromised hosting, points towards an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://bebelino.ru/userfiles/file/36061083301.pdf
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/59b52efa61f01ec0687f6341f96054e4/wezopemol.pdf
- http://10glazsikeyrosa.ru/file/91328921166.pdf
- http://altinay-law.com/images/file/86684194536.pdf
- https://tectrongim.com/uploads/files/sifuwojafupibipini.pdf
- https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210527232505.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/52453777e278ee03775c12b773a824f1/14955399154.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160987d3c2ff39---sidimomosepakurizo.pdf
- http://yuanyoujie.vip/userfiles/file/jipitur.pdf
- http://aryajob.com/user_upload/file/tebexuz.pdf
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/1ec01223472c328cdbc03e02bc31c89e/15558269298.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160943360934b5---61753625413.pdf
- https://lesartsdansmonjardin.com/userfiles/file/20210601070310.pdf
- http://www.alex-vasilkov.ru/images/wisdom/file/ginijopasurokona.pdf
- http://katyababash.com/images/uploads/file/94679599207.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083cf2430b2b---dazavemag.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f7947c754---2730068178.pdf
- https://fruzsiflame.hu/userfiles/file/8373436074.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4bb51d651---fexutuzoko.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160921cc9f225c---tawipegigekarinus.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/3b82242bd8582a223218d1d1024e890c/4516996194.pdf
- http://permanentnimakeup-brno.cz/userfiles/files/62902703264.pdf
- http://cdmatik.com/uploads/file/31718366133.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=enola+holmes+watch+online+free+with+english+subtitles
- 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_off0000ee45.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE45 | 16792 bytes |
font_01_sfnt_off0001065c.bind51273d86e3a4229f94be014c6299315f30ab0f4103ec927b59c769ac1f22ddb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065C | 11092 bytes |
font_02_sfnt_off00012011.bin7ce5b9f88f0e3b07a16b4325b30721f104689b68cb9ed18215630ecf6bf4c91b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12011 | 17212 bytes |
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