MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories and disposable hosting, suggesting a phishing or malware distribution scheme. The file's structure and URL patterns are consistent with a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c24d4a1235d---sejebigatak.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0b34ebee5---zezilelekamolinetezameko.pdf
- http://yuhenganquan.com/userfiles/file/20210630054950_1123664617.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb0d942fac---71506985842.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/k9v34qvednve2vvlhilicbpog3/22044990779.pdf
- https://actorconseil.com/files/file/madubibifitovewin.pdf
- http://nhs71.com/clients/d/d9/d9c6bfbc4bbdd207836d30c01fe5869c/File/kizuzajakexorifok.pdf
- http://veterina-hrib.cz/user-uploads/files/tututub.pdf
- http://roocenter.ru/upload/file/45146142321.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/ejk4n7ckt3dluc6n078e78r239/nalakisekosu.pdf
- http://littlepearlbooks.in/data/eimages/file/38468112263.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b7a4f1658---4534311590.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/787ffc22acfefda30ea9fa8ae9c5d78b/towenudigufig.pdf
- http://mn-print.ru/ckfinder/userfiles/files/jutoralum.pdf
- https://sealskinz.ru/files/file/43803216735.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/69fr946ks1rv5tal0uj57ccth3/41319034189.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/0f31d29ef2503d4d71f5cec5040a9269/70966716024.pdf
- https://numen-wow.com/userfiles/cloud//files/musajapivikuw.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a19b7601752---47984377282.pdf
- http://sskj.pl/userfiles/file/pawajomowidar.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/9pg3f27o2bm4qfgjovaka1f7rv/38836186386.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6622352d1---6171983523.pdf
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/lqudjdob0rdjrfo2inok4rg4hu/33284692955.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160aca09e8b67f---zanilo.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/1f016b17a366e02c14c6a4b93322f6ee/xaxexiwebitevek.pdf
- http://nwatchonline.net/userfiles/file/betabo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=soviet+collective+farms
- 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_off0000fc9c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9C | 16792 bytes |
font_01_sfnt_off000114b3.bin48883c5d2c858c9e144ccfcd76b7efb73d23ea46ba338f675d1046561ffc23c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114B3 | 10532 bytes |
font_02_sfnt_off00012cb6.binde0eb6325b6b8bc5258687428dcfe2c4cf1c7aca293c692fe6713ce63343af5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CB6 | 18644 bytes |
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