MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised or disposable domains, which is a common tactic for phishing or malware distribution. The presence of 'cmdiradfcrdi21/43428295684.pdf' within the document text suggests an attempt to execute commands or download further payloads, aligning with exploitation for client execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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 http://christschoolblr.in/userfiles/file/42098785488.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/c6t5bpippo253c4t35dkrsg398/pivilajoga.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/g13utsbmmr60cmdiradfcrdi21/43428295684.pdf
- http://tourister.kr/userfiles/file/jadunipafefafovabesur.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a43977c60b6---baxevodemenifokujugozix.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0684d5ed52---xuvamipedewe.pdf
- http://mankatomnclassof71.com/clients/e/e0/e0e8961458839910853a12af65841b27/File/rudopa.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/c6a02b3a488927d807ac91fe38bb9ce1/xezizozuzuzopi.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/9db3d58ff6e2dcd2078fd33eb1e94c9d/wevak.pdf
- http://activesolutionelectric.com/images/file/92539493827.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c90208393f---bemon.pdf
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d374a70161---92005165279.pdf
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/c3d9bb8ab89717f93193590c63331b4f/40100926442.pdf
- http://www.allatpatikapecs.hu/images/file/64762662062.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085fd5b79698---21530971601.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/2742d1d9a049ddb6f957e5cb507a87ec/40179547355.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/35375958b83b676dd464b6a753b8d60d/gawumivibivokudazevo.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d19a7950c---golavutubudoxexow.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae422124d6---66301288075.pdf
- http://opakowania-loga.pl/zdjecia/fotki/file/lujukekilo.pdf
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/e9f8a56e40b04290884cd2fc537cf7a1/82666069608.pdf
- http://skogsformedling.se/bilder_umeny/File/89014441553.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/q2lsqagm85oiqt4rl2gtrn4odf/sejumuxadekukitufozuwaf.pdf
- http://tourister.kr/userfiles
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=baby+major+mitchell
- 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_off0000ebf9.bindb04e63ef3ca639327b71fc8b948119cd64aa3a40d4e7da7df944f0ff320f964 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF9 | 16892 bytes |
font_01_sfnt_off00011813.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11813 | 16792 bytes |
font_02_sfnt_off0001302a.bin0090398fa2501f20c871e9d2dcd57fd6fff5dac105fc0d1ad48abe9ca701b2d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1302A | 10660 bytes |
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