MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised or disposable hosting sites, which is a common tactic for phishing or distributing further malware. The presence of numerous unknown URLs suggests an attempt to obfuscate the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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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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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://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/podizipegasilonudof.pdf In PDF document text
- http://cbcom.eu/ressource/site-image/files/45727158434.pdfIn PDF document text
- http://klemanpince.hu/files/file/40677727741.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/4feisr7uhspce82qslqeusg9l6/52120725287.pdfIn PDF document text
- http://www.ags-sib.ru/ckfinder/userfiles/files/75358093638.pdfIn PDF document text
- https://zerling.eu/nico/images/files/17368936560.pdfIn PDF document text
- http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/21976414809.pdfIn PDF document text
- https://sproname.com/files/userfiles/files/wovojosag.pdfIn PDF document text
- http://soles2walk.com/data/file/80259411259.pdfIn PDF document text
- https://spyboarcams.com/files/72013225863.pdfIn PDF document text
- http://mastrodibaglio.it/userfiles/files/jakililoguwifojafikifevu.pdfIn PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/01d9f20b4ef5680acff46863d5719d59/kuvijasulugusotef.pdfIn PDF document text
- http://sunwisechem.com/Uploadfiles/files/2174080706.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/fllkaelbec21ru31vdicb0bm73/87751073970.pdfIn PDF document text
- https://dpt-mh.com/uploads/news/files/zanivapete.pdfIn PDF document text
- http://lukasikgroup.pl/Image/files/xisonakun.pdfIn PDF document text
- http://kleinschadenexpert.de/userfiles/file/sopiwemezofaja.pdfIn PDF document text
- http://rsti.biz/files/fck/file/pukedoxegikefakup.pdfIn PDF document text
- http://www.ap-arte.ro/fckupload/file/40100051903.pdfIn PDF document text
- http://rc-saty.cz/gais/image/file/lorifamixu.pdfIn PDF document text
- https://www.privathospitaletkollund.com/ckfinder/userfiles/files/59280231821.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=adobe+photoshop+touch+android+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_off0000dbc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC7 | 10880 bytes |
SHA-256: a220ee477af333a9242cb6a1eabbb4b21ebcb6370fe31b6e3a07c28d7bb4da5f |
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font_01_sfnt_off0000f4aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4AA | 17504 bytes |
SHA-256: 9bae900e035023523f330c75c31dab4d4a310a07f539e46f82b36e89fda664e7 |
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font_02_sfnt_off0001214b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1214B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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