MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Several heuristics point to the document acting as a link farm, directing users to compromised WordPress sites and disposable domains, which is a common tactic for phishing or distributing further malware. No scripts were extracted, but the PDF structure itself facilitates the attack by embedding numerous external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://ketchas.ru/uplcv?utm_term=natural+gas+condensate PDF link annotation
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f4e38cbe3---tabus.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/c5aaef67e3f2b63290f86421538ae4b1/32943654038.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/383b8658ac645ce6a4e9d22300db6839/64298876034.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc7f2af181---17122721996.pdfIn PDF document text
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/bc3h7p7lh2hp1j8k58bt4sldk2/13026848419.pdfIn PDF document text
- http://longearedhounds.com/clients/65743/File/fetipiviz.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ff19cd8f7---popezufiv.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607915d8980c0---60724599800.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16075322e20f75---84677778338.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/57oc7vatbc7qojor4bd20m09f1/23298671758.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/paketejinopenibabasij.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/vc17ics9hllpvas3mra6n3hj0d/84669789894.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/fd36c16f632ea860053f7f8f2f5ccb44/lasevinow.pdfIn PDF document text
- http://amdind.com/userfiles/file/23694361128.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/a22kbv563qvlrh0tbptcifkp71/vokoza.pdfIn PDF document text
- http://coeb.eu/userfiles/files/wegaz.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/gutobupibawovekagerapid.pdfIn PDF document text
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/0d7060e875323be8c35a1ee227722536/38272241038.pdfIn PDF document text
- http://bagumul.com/file_upload/spaw_upload/file/20210509041743.pdfIn PDF document text
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/8mmrkbjdr8ou2k06fjs0j46547/60240147158.pdfIn PDF document text
- https://biocoils.com/img/file/kodepor.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3e8c4900b9---93946289911.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6d38a2e01731af3103bef69702cdd45d/mijawubesinome.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001114a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1114A | 17268 bytes |
SHA-256: 39d4e13af376f4e0449e703c0f8351b1ef09a5742baf8bf6bd4eda62c9db37b6 |
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font_01_sfnt_off00013e93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000156aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156AA | 10528 bytes |
SHA-256: 046589a169d59ca3a7be55a018d7e6f27bc3a10c20a02ba664c6f699ab8cc743 |
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