MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised or disposable hosting. Heuristics indicate it functions as a link farm, with some links specifically targeting WordPress upload storage. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 https://infrive.ru/uplcv?utm_term=cube+acr+premium+mod+apk PDF link annotation
- http://mimpishiosatu.com/contents/files/gixomizovujave.pdfIn PDF document text
- http://cuacuongiare.vn/upload/files/79654501507.pdfIn PDF document text
- https://thehouseproduction.net/file/51957579201.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/g1kq3vgcjsqdnp259tmcfhl1d3/ragofure.pdfIn PDF document text
- http://kwiatmetal.pl/userfiles/file/8319749880.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c60dca849---33817310086.pdfIn PDF document text
- https://www.xyoaa.org/sites/default/files/files/27642591181.pdfIn PDF document text
- https://equinox-e.com/upload/UserFiles/file/15997216278.pdfIn PDF document text
- https://citytrafik.nu/images/file/86326264467.pdfIn PDF document text
- http://gsxr.hu/userfiles/file/41322696667.pdfIn PDF document text
- http://xn--80aafjbawrcdgsodbdciig4a5v.xn--p1ai/pict/file/zujafozavakewamuvepenigo.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/161355ff600890---52340476767.pdfIn PDF document text
- https://shen-su.eu/gfx/userfiles/files/87833511172.pdfIn PDF document text
- https://dp-silver.com/userfiles/file/piluxovulimikaxubonas.pdfIn PDF document text
- http://dar-tom.pl/userfiles/file/zitenobami.pdfIn PDF document text
- https://sibservis.com/ckfinder/userfiles/files/47471728629.pdfIn PDF document text
- http://himalayakebab.com/shipinc/userfiles/files/13511886662.pdfIn PDF document text
- http://allier-genealogie.org/File:/64319340940.pdfIn PDF document text
- http://osteriailgalloelinnamorata.com/userfiles/files/jalozinopitevakafetuwovu.pdfIn PDF document text
- https://ip-pharma.net/data/files/72054273944.pdfIn PDF document text
- https://flammerouge.ch/userfiles/files/wurubajibawamuwebaviwer.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/povonoz.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bea9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEA9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d6bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6BB | 16660 bytes |
SHA-256: 7c7bb540a5dc635c7af23a0d43520fbebdbc08b9596a30ad62e1d3c937f63c06 |
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font_02_sfnt_off00010137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10137 | 10620 bytes |
SHA-256: d863148d8d07a3730089b94d2f3de67e754fb797b673bc34692997992b9f67d8 |
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