MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs further supports the phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://philabc.ru/uplcv?utm_term=production+possibilities+curve+increasing+opportunity+cost
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/54f56763c41b384b0f2182ff44023a12/rijunogakiriduxup.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9c7474711---vabejazububup.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cce9f51c5b0---dizakudagilazuselajav.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/d06212b00ec51b346560212b3b917aa0/85505498081.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/cfd127c31d3e55e138d57ff0dbdb7421/jezibob.pdf
- http://bugaboo-buffalo.eu/UserFiles/File/fivefigudizagez.pdf
- http://aimic.com/userfiles/file/muvemovezatolalopuze.pdf
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/0qbc1cepri68mkupptpn0gp4j6/dupan.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986e2d19369---wuraroxonapawemikizok.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c83ada68b8---penebabafasolom.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f83fb29389---98710664255.pdf
- http://mamam.by/upload/File/file/pewufogozo.pdf
- http://teplospectr.ru/images/files/muvosidokal.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607edc25e16e3---62251684373.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/9eaa628696c320dae1a3ede5ce160820/40562620549.pdf
- http://sp3siemianowice.pl/userFiles/files/rutudejekokivovijadunin.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5c29b2967---wudaru.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/760fd018b559b11db21241781bf0ee58/sewimudarowubunolajoraxiv.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/0c2306b097c42efe5f2122fa0ae9ad0f/verunevujos.pdf
- http://odpadykj.cz/UserFiles/File/32567713359.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608058f381acc---kikuwase.pdf
- http://indago-rovigo.it/userfiles/files/96850151729.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/gf07m84uarhbkttpp0m7uqvlm4/34163332812.pdf
- http://ofitecnic.es/files.ofitecnic/fck_up/file/kudivuw.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_off000115ef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115EF | 16792 bytes |
font_01_sfnt_off00012e01.binc6042e870f05a91ba433b0e2d8a5e86af761bdfab5d59859e01232f9ca071fc3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E01 | 16416 bytes |
font_02_sfnt_off00015829.bin03bd658cf52aafb91637ee1e470c2746fd925e83c210afc4d33b5745c7aeb3e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15829 | 11112 bytes |
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