MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the PDF structure indicate an attempt to facilitate initial access, likely via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://allytemp.ru/uplcv?utm_term=khatrimaza+full+org PDF link annotation
- http://www.agenbenangbandung.net/file/9691005694.pdfIn PDF document text
- http://thegioixedap.net/upload/files/dolewolabup.pdfIn PDF document text
- http://sunrui-ti.com/d/files/55425429371.pdfIn PDF document text
- http://recviem.ru/img/upload/tititipet.pdfIn PDF document text
- http://nriloan.jctoursandtravels.in/files/tizobodetewowoxedu.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9155eefcd---movibakazu.pdfIn PDF document text
- http://baihsad.com/userfiles/files/20210901_190654.pdfIn PDF document text
- https://rsun.pro/admin/ckfinder/userfiles/files/jopurimowaxeralu.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16138cf577f0b0---43905510186.pdfIn PDF document text
- https://xn--lenachatka-57b.pl/uploaded/file/63966589717.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/fixiwa.pdfIn PDF document text
- http://gtlitalia.com/userfiles/files/fewikujogufulewerib.pdfIn PDF document text
- http://bonsite.nl/phpcmsys/file/rowomitidum.pdfIn PDF document text
- http://dh-cell.net/ckfinder/userfiles/files/nafiz.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16139868fea273---77520360226.pdfIn PDF document text
- http://www.moyekolodin.com/files/78325278707.pdfIn PDF document text
- http://tao-ssct.org/data/upload/file/38786970762.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/mavimanezoturo.pdfIn PDF document text
- http://congseng.com/uploadfile/files/vufaxekibopigan.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/gofog.pdfIn PDF document text
- http://xn--80aikni6a0b.xn--p1ai/images/file/82071517123.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_off0000c1ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1FF | 16988 bytes |
SHA-256: 65d8aac73479cecca5553663d6c48a4c769fa8f02e7bff701d295f4ef7eb8ec2 |
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font_01_sfnt_off0000ee42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10659 | 10408 bytes |
SHA-256: 19b0d0c40fa163eb69ffe0fafeaff638ba09a03ba5d6e2928b08b484f947e318 |
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