MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by multiple heuristics as malicious, including a high-severity PDF_RANDOM_URL_LINK and ML_NYX_PDF_MALICIOUS. The document contains a large number of embedded links, many pointing to compromised CMS upload directories or disposable domains, suggesting it is part of a link farm used for phishing or spam. No scripts were extracted, but the presence of numerous external links indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://trevorhannant.com/vesus.pdf
- http://consulcongress.it/uploads/assets/file/soradexige.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/vr7d2t5hjdosbj4gsphqui3220/mumuxigebuweb.pdf
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/a04750ebfb65530cd3de92f79ad73954/10314678299.pdf
- http://cuacuongiare.vn/upload/files/besapaselalorifetofe.pdf
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44754874015.pdf
- http://ambulatorioveterinariocigliano.com/userfiles/files/wotivemewazugome.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/1ea28c7dc56dfb27ef1eca04bcaecf71/kowisijepodiziwel.pdf
- https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/poturexow.pdf
- http://kezmosas.hu/files/file/vuduma.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/11e0ae4b95ab679c534ae60f31191ef7/48903687381.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/dtfc43aflqhu29tsf9grer5bgg/94507440541.pdf
- http://www.motocams.cz/ckfinder/userfiles/files/6261517.pdf
- http://eatatrudy.com/uploads/files/97404477401.pdf
- http://thegioimercedes.com/upload/files/82411861599.pdf
- https://greenfuturevietnam.com/Upload/files/bapumomizopiwamenenewul.pdf
- https://kudamatsu.org/userfiles/file/46330517819.pdf
- https://avukatwebsitesi.kocgrafik.net/upload/files/nufidixi.pdf
- http://wwstationery.com/files/file/xibama.pdf
- http://currycornersugarland.com/admin/images/file/86824186987.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/14b182162ff5806cc18519029c543dea/50271619892.pdf
- http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27586154800.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=android+wear+apps+developer
- 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_off0000e7de.bin41091aa2ab34ac60bbd53d2442e72ccbaed2549bf94114d7d2cf8e55e1a8ebb5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7DE | 10420 bytes |
font_01_sfnt_off0000ffa5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFA5 | 16792 bytes |
font_02_sfnt_off000117b7.bin47c81011625da885ef2f6e697d13d939408f635d5ef0b9320a528311e35e3be6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B7 | 18884 bytes |
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