MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The presence of a 'download' button lure further supports a malicious intent to trick users into clicking through to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://archism.ru/uplcv?utm_term=watch+black+panther+full+movie+123
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077706cc16d2---fosipebanewodesus.pdf
- http://tragiaocolamsapa.com/userfiles/image/file/sonugapilakalojefamowu.pdf
- http://computerdoki.hu/user/file/70706061589.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1608395e1d502b---zifuge.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/e5fdc6ea41a2a07623c0abc425623c4a/85417688596.pdf
- https://hotel-la-licorne.fr/userfiles/file/9991941309.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/48c5e906b75fdc9b8f17cbf556394bdd/movavogevatemigomozakuju.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfb5b158f9---mijubuloda.pdf
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/5e41ca87b9aa47a186876806871f3e38/72543503955.pdf
- http://omegapizza.net/uploads/files/34235555037.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608666099ce4a---43939723872.pdf
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kijuvikemoxivisotefewumak.pdf
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/cg1gchnf416rbbrp1605qo6voh/zapokitobikasu.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/160f1830ab3299a7b356c9c5dd0f5eef/55217350189.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160769889d662a---budazumiwovojuworojosep.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000105b7.bin0a6c6bfcf1fefa9f0006ccd867bbee9a4b0bd46b24f079a79d73662b35b545b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105B7 | 2988 bytes |
font_01_sfnt_off00011068.bind5bd65add8fd294ff7252cf4760d78ddecba3b2c0967fbac16b7824af38e5a66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11068 | 5704 bytes |
font_02_sfnt_off000123be.bin7a4e185ac8c10bdb0c01a34e0ca3e7b0c0688401ba73d18f9972ce09048f75d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123BE | 11728 bytes |
font_03_sfnt_off00014b27.binf5a1f64281b78c98dd68a21ba38d3bc68d46c7a956df1164b42a48fc85167924 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B27 | 16136 bytes |
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