MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the structure and URL patterns indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://fsbulletsandbrass.com/userfiles/files/46572781772.pdf In PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/a13f0244dcd8dd0933192be97f354895/bawomovikuwojuzerix.pdfIn PDF document text
- https://icrs-as.com/userfiles/file/xinubujanejalirupoluzusa.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/16968725238.pdfIn PDF document text
- http://sokole-tps.pl/userfiles/file/meliwasifoladarexedumeme.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/c939a9a1ac2483b42754c0ee94c42f34/19561427719.pdfIn PDF document text
- http://clubmaniacr.com/campannas/file/koletuzidalebugijab.pdfIn PDF document text
- http://elektro-galerie-hamburg.de/userfiles/file/87298407716.pdfIn PDF document text
- http://adas-muko.pl/photo/file/53141473207.pdfIn PDF document text
- http://tincorner.vn/uploads/files/46084018298.pdfIn PDF document text
- https://seikai.jp/free_images/files/11564509153.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be0389bbbd---vedufujasagon.pdfIn PDF document text
- https://aashianarealty.com/file/51686250304.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/27279147436.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/xalolotu.pdfIn PDF document text
- http://rockhousemethod.com/ckfinder/userfiles/files/47709455999.pdfIn PDF document text
- http://alwaysshine.com/fileimage/file/41047895135.pdfIn PDF document text
- http://thicongdiennuocmiennam.com/uploads/files/32519894329.pdfIn PDF document text
- https://inprovitargentina.com/ckfinder/userfiles/files/lamaxumibidadake.pdfIn PDF document text
- http://ya-ke.cn/admin/upload/78041040835.pdfIn PDF document text
- http://laarakkers.com/ckfinder/userfiles/files/wejijetedenat.pdfIn PDF document text
- http://uralcomservis.ru/crn_fls/crn_files/49131799225.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/38607798876.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=aptitude+by+rs+agarwal+pdfPDF 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_off0000d8b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0CD | 10872 bytes |
SHA-256: ead1c600b5f8f4b361dc01016af1eeea495abe4d5d67a3b1b98b90785073430d |
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font_02_sfnt_off000109b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B6 | 18196 bytes |
SHA-256: a494f419adf14bb381bb0407a180051ce5d2c9fdbfb3bc4770b0a89f18e302da |
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