MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The presence of a password-protected archive lure suggests an attempt to bypass security controls by encrypting a malicious payload. ClamAV and ML classifiers also flagged this PDF as malicious, supporting the assessment of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://laborke.ru/uplcv?utm_term=how+to+sign+a+word+document+on+my+phone
- http://yasairamenbar.com/uploads/files/77491379525.pdf
- https://learningsolution.ca/userfiles/files/vitagovofogupog.pdf
- http://gcoekmr.org/cukashmir/User_Files/imagefile/lebipedomevo.pdf
- http://tonioloclaudio.it/userfiles/files/43500252349.pdf
- http://www.neoneofitou.com/ckfinder/userfiles/files/13106423891.pdf
- http://www.valathors.com/ckfinder/userfiles/files/kafusakodeninomo.pdf
- http://ambvetesopo.eu/userfiles/files/ludonosanadi.pdf
- https://mylin.in/ckeditor/ckfinder/userfiles/files/pirefotifevapive.pdf
- http://velo.hu/UserFiles/file/vewekivasowemaso.pdf
- http://privateeducation.sg/verzsape/demo/upload/admin/files/xukejemed.pdf
- http://blgjad.com/upload/files/25939832927.pdf
- http://skncn.com/u/files/98557899161.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/56bfb71731223e6ebaf074b629b704d3/38237718997.pdf
- http://uptownherndon.com/uploads/files/66701572869.pdf
- https://orangcar.com/app/webroot/upload/files/44965515705.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613765fd76613---vilexi.pdf
- https://coluer.ir/documents/file/mikuwatexujukarorazizewo.pdf
- https://cowichanmusicfestival.com/userfiles/file/wupazanesi.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9cee837cd---sakofokasunura.pdf
- http://studiolegalebisantis.it/userfiles/files/52297786939.pdf
- http://kovacsoltvaskerites.hu/images/file/lifoxowatiwavi.pdf
- https://fwstc.in/userfiles/file/botivefapi.pdf
- http://mobilesamara.com/img/files/file/81686854175.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141bd0e94ed9---dokefoxalutomedigerulal.pdf
- https://hockeymro.ca/docs/file/95974938732.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_off0000e6db.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DB | 16792 bytes |
font_01_sfnt_off0000fef2.bin583b261b13e3b53808088baba9162336fb681874f302a848d4600a96c1ae1418 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF2 | 11208 bytes |
font_02_sfnt_off000118d3.bin3c725c0cda3dc42a8c119433faa7d92ceceee9a32746d85542b8410ce6073428 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D3 | 17644 bytes |
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