MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document's structure and embedded URLs suggest it is part of a link farm designed to host further malicious content. While no scripts were explicitly extracted, the presence of PDF_URI and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates the document is designed to redirect users to potentially compromised or malicious sites, likely as part of a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://dammesliepas.lv/ckfinder/userfiles/files/dusuz.pdf
- http://snnet.kr/board_pds/fckeditor/2021/06/file/varipiganalikuxovebokag.pdf
- http://wildpflanzen-planung.de/file/94660387157.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/43flerplqd47ine0dmoucjqtu7/1029078721.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c435d55838a---17765922457.pdf
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8c1d40eefef75026b164ab34193de5c1/64907592106.pdf
- https://stvorki.ru/files/file/bujuruwefuropot.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c398137d1a9---wafowokovilipurisop.pdf
- http://gptools.net/userfiles/file/mesumotuzoto.pdf
- http://yaqeen-eg.com/userfiles/file/wokewivu.pdf
- http://emons-verlag.net/testarea/cwsCMSlight/media/files/zaxev.pdf
- http://sakem.org/userfiles/files/saxojexak.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160784bc011ddd---18332099115.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/681b14e9808b4938817118a51006e637/49002176047.pdf
- http://apexibd.com/uploads/fck_uploads/file/vaxapegukaw.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/7f0b7e3417c77ad6047586cf0ebcbe08/73241268932.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/pp2kirgctb45s9htbv4bmpu887/pakozemijelaza.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/fbfcf964f4beb7e6f02fbd5e1c25f30d/63804455808.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/e418f6e8117077b09c5cfb4b961b0685/mefofisu.pdf
- http://vekosgroup.ru/userfiles/file/96914483678.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af848131d45---jidazimakesomifor.pdf
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/21298b8e4160aecf62480c7611422ef6/tudajibefetona.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=2010+camaro+ss+automatic+transmission+problems
- http://e1pl2.nazwa.pl/busy/fotki/file/vazulufopaweb.pdf
- 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_off0000f65e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65E | 16792 bytes |
font_01_sfnt_off00010e70.binfe82a47c960393992b9d08b4e5ea6bae51673b3d7dd3bfe94bdca8ea9d9b92c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E70 | 17252 bytes |
font_02_sfnt_off00013bad.bin8123bc20013cb93c0a13762ee24ca7d60bc3bc482cc0f3d23ba50a0bf439c21a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BAD | 10972 bytes |
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