MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, presenting numerous URLs that redirect to other PDF files. The presence of multiple external URIs and link farm characteristics suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://pixomot.ru/uplcv?utm_term=how+to+root+oppo+a31 PDF link annotation
- http://thepnguyentran.com/media/ftp/file/32354267505.pdfIn PDF document text
- https://maconlux.lu/userfiles/files/fixulilizubolifilonam.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/97151192956.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/fupase.pdfIn PDF document text
- http://studiogallerani.it/userfiles/files/xapoxabakafujoxigaw.pdfIn PDF document text
- https://ghadir-eng.com/userfiles/files/zisom.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/51523989096.pdfIn PDF document text
- http://clean-ecology.com/Upload/files/3315509078.pdfIn PDF document text
- http://doktor-okonski.pl/uploadimg/file/nesabonan.pdfIn PDF document text
- http://residenceraffaellotorino.com/userfiles/files/11800896024.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/fuvoxanadodivime.pdfIn PDF document text
- https://sonntag-immobilien.lu/userfiles/files/59227935208.pdfIn PDF document text
- https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/57074442668.pdfIn PDF document text
- https://sherwoodchamber.org/ckfinder/userfiles/files/91720126483.pdfIn PDF document text
- https://zippy-inc.com/app/webroot/userfiles/files/kamilibib.pdfIn PDF document text
- http://ain.proximeo.com/ckfinder/userfiles/files/60755722781.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a62158994---zupalakedunezon.pdfIn PDF document text
- http://nagymester.com/userfiles/file/pafinonedunodevanoxe.pdfIn PDF document text
- http://bainihu.com/upfiles/editor/files/47638384776.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16139993d7db12---bevaw.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/77159318306.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/c28474a2323c2b6b20652ff9797a3a9e/lujezemazubedax.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_off0000b361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB361 | 10004 bytes |
SHA-256: 93c939332d0342585303312cdca386e8864a97a1ef07993cd66b53ff5015e9a2 |
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font_01_sfnt_off0000c9bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9BB | 16724 bytes |
SHA-256: 4369b437adb1779a1bd84241a2e1e0f686c308529700db205ad7a4dc3f8661f7 |
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font_02_sfnt_off0000f47c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF47C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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