MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a large number of embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The primary attack pattern involves luring users through these links, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://smidgel.ru/uplcv?utm_term=sealey+space+heater+manual
- http://dok-vo.ru/userfiles/file/74517549730.pdf
- http://cosmickino.ru/sadm_files/fixilofukafup.pdf
- http://lexen.ca/userfiles/files/gajaregiju.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16095b2e92adcf---9773171663.pdf
- https://adesso-moosburg.de/images/file/48912943365.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/4c12b2bcb025ebbe8e77753baf7a4192/fiborarufipozitujokezo.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffbdca672e---11771462348.pdf
- https://fallsplat.se/file/87896822535.pdf
- http://www.ks-zahnarztpraxis.de/upload/files/temigubowebofopuw.pdf
- http://dintainoodle.com/uploads/files/38014113443.pdf
- https://nevisnews.com/userfiles/dajalezixaguxebaxovajaf.pdf
- http://22vek-omsk.ru/fck_editor_files/files/39490920423.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ead15da15---63232411646.pdf
- http://e-kva.ru/admin/ckfinder/userfiles/files/43833481190.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16075a1f8d5247---zulemefomu.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d3ab7392666b0e2e3333b88d3f435df8/22125387249.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3b90ee67e---luzasegom.pdf
- http://hotelbasantresidency.com/uploads/5874103770.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/51sh9pa7d4p3vrs8qqljker2d0/22334504836.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/81ad3edcce37577b0f27c0acce030499/tatuweba.pdf
- http://starwindows.ie/ckfinder/userfiles/files/20947631157.pdf
- https://dptech.vn/uploads/files/16359890532.pdf
- https://aprilboya.com/userfiles/file/12996648862.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/l7t9a3ertn4ncd81op5ti7n6a1/wuxawatevalixofobotuxozaw.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_off0000ddcb.bin0eedf7f7b3da7dd038b559114827f5fcf6fd4e957ad69499612322e5c16a33f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDCB | 18092 bytes |
font_01_sfnt_off00010ce3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CE3 | 16792 bytes |
font_02_sfnt_off000124fa.bin616948e969da7ff4d6cd9279e6b95353a3fc9085514d08a33c609a794b54d9d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124FA | 10716 bytes |
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