MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution campaign. The embedded URLs, such as 'https://crysiq.ru/uplcv?utm_term=excel+tax+deduction+template', are likely used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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=excel+tax+deduction+template
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081021be0eba---dusokil.pdf
- https://equinox-e.com/upload/files/bilavatinixekovopimiwor.pdf
- http://topcudental.com/img/userfiles/files/zugifi.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fac80abde2---90032896585.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160947bfceea5c---valoxegarakorotadew.pdf
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/cc8cf3b50266f6aa5fb5ba01f7bf5015/zupokago.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/9737d0b2c69e9736b102ba1d73c7ee73/52077690175.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160907ce93b496---23478499969.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c35vlhllr941rrq7o3o3i2jke4/72191522613.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160725b4432eaa---8542599695.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160701e6d3f369---31313701254.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/6ten4g8hdu4bfbp85l7vahjaa8/47240340684.pdf
- https://communeouchamps.fr/userfiles/file/26632684754.pdf
- http://biosite.ru/images/news/file/tokeremil.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/8vpvohq1tjeujbokip7shdei94/fodatinekuwilonefapokufog.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1609286efca9ae---sowevavokore.pdf
- http://romanakladatelstvi.cz/userfiles/file/77162712809.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/b96271e0b6f026bc088dc4f58993e07d/21520365242.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/85car5jpk81t5gqkscv6cth0ce/gawofatutexeja.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/984dfb764b4cf310a969b2ba7d6400e7/21312787526.pdf
- http://studiotravenzolo.it/userfiles/files/gukunezakipisano.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/10bf01c3fb4530377c281dbee5bbd579/xifuzujonoki.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ba932aeefc4---96688675833.pdf
- http://fxmeat.com/upload/file/ba9102e95b53a9550007660f1f2d29d1.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a996b00899d---78777929267.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_off0000fd95.binf248370dd102f897ece438b9ba3acad518514e61523e75ca4192617c9bbfe437 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD95 | 17088 bytes |
font_01_sfnt_off00012a4f.bindb77bc39ee114bd41f1563434a3562a05458e7293eac332b2e20f108ce3f9191 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A4F | 10592 bytes |
font_02_sfnt_off00014270.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14270 | 16792 bytes |
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