MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a large number of external URLs, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://crysiq.ru/uplcv?utm_term=nr+meaning+snapchat
- http://malbreil.com/userfiles/file/gujikijuritusovajepegu.pdf
- https://mps-india.com/userfiles/files/7758735047.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/ji62h4mi9mf3gr6i3tabkd678n/misipanen.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/70acbcc1b205bbe74afebade8656e8c5/sewepuzuputigunujomewero.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/u7qqi65kjcc62qe5d17urvdf69/4233039891.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/72ca2a040e68b66dcc9a20bc21ff4004/wuxolijasapetimonadeduxe.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/7055648b763c56bf497473207f230079/95197100799.pdf
- https://denimder.org/resimler/files/rexolopipekuluwir.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160878d4244ef6---gesexinujodekozepid.pdf
- http://herningbadintra.dk/app/webroot/upload/files/norenefamowovuw.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48347debc1---nabibutibegadolodijon.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ec361ff53---75098601043.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/e2f3032e6c4d1cce5aff74dbb10a1930/werejunifixi.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/291s33gtba77jk4eguk73ccdb6/53667958976.pdf
- http://historia-bfured.hu/userfiles/file/fogegegufuxoworabido.pdf
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ecd9e984d---81471836963.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608647b533163---xipetulupalunezisu.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160c2077353ac8---76765074742.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/9712100ee60c05e4193c4d404c1589ee/47681085430.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3b5b79086---95104730629.pdf
- https://propiedades.net/ckfinder/userfiles/files/xutoza.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2449641862---13163091065.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_off0000eac8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC8 | 16792 bytes |
font_01_sfnt_off000102da.bin9021a5da790d5b41c4e27675f2d1c653f4596981c7c95e8c00397994e35101d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102DA | 17036 bytes |
font_02_sfnt_off00012f39.bin1f3bb3167afae88d9e1eecbed2c01aeb8a100a60f393174173372d89d7be9ff4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F39 | 10632 bytes |
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