MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan and an ML classifier flagged it with high confidence. Numerous heuristics indicate the PDF is a link farm pointing to compromised WordPress sites and disposable hosting, likely serving as a lure to phishing or malware distribution sites. The embedded URLs, such as https://laborke.ru/uplcv?utm_term=the+alienist+season+2+putlocker, are indicative of a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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 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://laborke.ru/uplcv?utm_term=the+alienist+season+2+putlocker
- http://archiw.gbpopatowiec.pl/img/upload/files/karudenobipawezes.pdf
- https://support-trevianum.nl/userfiles/files/mononenuxuj.pdf
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/kasaragowoxad.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/161353b33b908e---66398841975.pdf
- http://nakloboucku.cz/uploaded/file/goturexiremevemijibibixu.pdf
- http://ymmicro.com/files/files/63376834572.pdf
- http://northmarking.com/userfiles/files/23317654061.pdf
- http://nrgmedia.hu/files/file/javulagajog.pdf
- https://camgloberealtor.com/userfiles/file/latamujeladovega.pdf
- https://mimpishio2.com/contents/files/wizizaravuzefatemediki.pdf
- https://ibextrail.com/editor-images/nuwejogewife.pdf
- https://jss-moms.si/upload/File/66436457159.pdf
- https://bodymart.in/ckfinder/userfiles/files/93949819771.pdf
- https://armenia4d.com/contents/files/diwusamazabugikujofo.pdf
- https://minlinart.com/archive/upload/files/47870302492.pdf
- http://londonjip.com/userData/board/file/laxileputepomo.pdf
- http://boekenwinkelindex.nl/images/uploads/faredozibof.pdf
- http://amsaneeraus.fi/userfiles/files/fufigelaridonuxikug.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/0ae43f6c68ed060cb3f6b030208ebf74/99625144259.pdf
- https://htchninc.com/d/files/90579775803.pdf
- https://j26clean.com/upload/files/turupapokitutaz.pdf
- https://legouic-peinture.fr/userfiles/file/66524240495.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614e00ab52296---vujolumuxaribak.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/2o4m9m367mohtoipk52cqobk96/88168426036.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_off0000c153.bin082765949d5fe392fda2e96633653afb55248bdc4fd90309202814e423ce892e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC153 | 10748 bytes |
font_01_sfnt_off0000da10.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA10 | 16792 bytes |
font_02_sfnt_off0000f222.bin23600e47cec54b573f23ed1c16f93945f769c159c2723e391c70c1ce7cfc2ebb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF222 | 19732 bytes |
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