MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external resources, many of which point to compromised WordPress sites or IP addresses, suggesting a distribution or phishing campaign. The presence of a 'callback lure' heuristic further supports the idea that the document is designed to trick users into interacting with malicious content or actors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://ekransamara.ru/files/83567428814.pdf
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/1cabcfd582bf6b381fe49387525eb7a5/3718131769.pdf
- http://hopkinshigh1988.com/clients/75739/File/59183711982.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160afa7b3ee1e1---27833990337.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e88b70a049---2823966755.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607a27ae11e6d---4561124919.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef4927e192---zisobejen.pdf
- http://bike-aholic.com/UserFiles/file/limuwivoxeramotenu.pdf
- http://sysquare.com/UserFiles/files/25341067326.pdf
- https://metricgroup.it/uploads/file/pikomeduvilozetutiz.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607121c40ba28---savabaripajolog.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071215dc8eac---powitab.pdf
- http://dichvu12h.net/userfiles/file/52628780676.pdf
- http://hongdanhaudio.com/luutru/files/fewigusemetubemoput.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/5841b25de37f578837473bfd14fb4c63/14150531945.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c101976e7b---fapefesepetilo.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/096b243a1d5cda8f543edde3f1251c6b/69191738331.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a24fcfbeb35---mitamomule.pdf
- http://sdds.be/userfiles/file/disuvugagug.pdf
- http://bfr-bialapodlaska.pl/userfiles/file/69802640732.pdf
- https://thehideawayresortpattaya.com/userfiles/files/37190162596.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/f296e2b72098ba1f1e58e32fe80c345c/sovikikesowelutebije.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/m3nj8b334tfletba7i0ev8ln3r/rowokotafopiwamem.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=a+first+course+in+differential+equations+5th+edition+pdf+free
- 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_off0000ec30.bin33a0855a2bb281c1ab9609415f6b6cea69c9c56270a5da0a10a14c5cbdbdf232 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC30 | 11080 bytes |
font_01_sfnt_off000105cd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105CD | 16792 bytes |
font_02_sfnt_off00011ddf.binde883ac757fc78d3bca0ed2065a25875f381fba62502211bab96190916c4747a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DDF | 18428 bytes |
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