MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple compromised or disposable hosting sites. The presence of numerous URLs, many hosted on what appear to be compromised CMS uploads, strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://mallncart.com/userfiles/files/48413212960.pdf In PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa64490c33---jinuwederavox.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16138193abcd8d---24107727381.pdfIn PDF document text
- http://ausafe.net/images/art/files/1827587847.pdfIn PDF document text
- https://khangle.vn/uploads/images/files/22190460955.pdfIn PDF document text
- https://trungtammatnamviet.vn/upload/files/7554242424.pdfIn PDF document text
- http://hlqh.net/userfiles/file/20210902120755_229890696.pdfIn PDF document text
- https://amt-alarmy.pl/userfiles/file/30020622644.pdfIn PDF document text
- http://nyitotthaz.hu/userfiles/files/kumexesixupopu.pdfIn PDF document text
- http://superlitefan.com/uploads/files/74539927956.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/97309696826.pdfIn PDF document text
- https://unibel.pl/pliki/upload/file/liwuvoli.pdfIn PDF document text
- http://ilkyoukais.com/Images/Media/files/getomefilikoxokino.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/27856842784.pdfIn PDF document text
- http://back2wood.de/userfiles/file/mawuwefonikatenefosavo.pdfIn PDF document text
- http://firmen-bekleidung.at/userfiles/file/47109632634.pdfIn PDF document text
- http://eatoceanic.iorderfoods.com/uploads/files/dujapukul.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/9d5a10240534c0b6a5721e7bb5db2ba0/94263425555.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/21146550926.pdfIn PDF document text
- http://leicesterbiketec.com/userfiles/file/zusivoxabebapevime.pdfIn PDF document text
- https://www.pollackmihalyiskola.hu/ckfinder/userfiles/files/wisogifipaxuzujojo.pdfIn PDF document text
- http://aristosaigonhotel.vn/uploads/files/21837028631.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/pdb401jpf6u35vnq4v33idd8a3/xefosaj.pdfIn PDF document text
- https://baoyi-chuck.com/ckfinder/userfiles/files/17672502222.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e825a0d14---7531131598.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=ppsspp+blue+apkPDF link annotation
- 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_off0000c58e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC58E | 17016 bytes |
SHA-256: c0170cdebe86d829603ae339464b19018285a3a4d76fd1a8f55f653f45d6b8cc |
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font_01_sfnt_off0000f1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000109e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E1 | 10064 bytes |
SHA-256: ea3e258dcd3c8ffa4351740b7ecea6b40747f3be1b6b53d0163f8134ff802a5b |
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