MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains multiple heuristics indicating it's a link farm pointing to compromised CMS uploads and disposable hosting, with one direct link to an IP address. The document body is unreadable, but the heuristics suggest a phishing or malware distribution lure, likely involving a callback or tech-support scam pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
Heuristics 8
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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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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://free-spirit-city.eu/uploads/wysiwyg/files/36025744862.pdf
- https://idd.no/ckfinder/userfiles/files/gugiwobemuboboza.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607024ce38b08---mupewonalonaz.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/6a2a84bd1595342031b5f7de0c421099/dudixiva.pdf
- https://eletvital.hu/uploads/files/jogirulezawuwe.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a857729e716---jusumuletadajigonav.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/72b569c758535394717cc895a3301f57/xuvibasu.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/huuomd56glc4u4fkfonmh8h0bd/taleparawumojege.pdf
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/66342117121.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb2a191817---wuduzenijimazodorov.pdf
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/1nk8t0nkrqtlpanu054gga44iv/bujunukid.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16085e8f12c0e8---31222147611.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160770f208cb06---petibepe.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8935e3485---mimuvaremojakegef.pdf
- http://157.230.241.115/image/upload/File/42300136498.pdf
- https://marcuspietrek.de/MARCUS/files/file/jokikojunalesibafe.pdf
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/d97d93b9fa95375649c05f6d20715a2f/lisowemafoziburafisozij.pdf
- https://lederstuhlshop.de/ckfinder/userfiles/files/xigapagiligejez.pdf
- http://brlairport.com/images/file/50400277407.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cae28f6798ce459612ea3310868acef3/33282912005.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/0itgadiflmugtu4s1f15pkr912/93724432356.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607898eb92540---tuvijebovanusijomanisim.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/898b49e9a0e5c513030f37015d166fe4/dedaxigurisumevuganuseze.pdf
- http://beachfirebrands.com/userfiles/file/guwadadixe.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=shopsmith+jointer+owners+manual
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb7a.binc2a72fce881a569f60d13ce4c8c43ecdb2a2d58f24e0e171911f5a7dc58bfdd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB7A | 17432 bytes |
font_01_sfnt_off00011969.bin00b1f632e8afe72716c8bcdb76b7901b56c060d1dc0f96f3f5c1b8373b85735b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11969 | 16140 bytes |
font_02_sfnt_off00012ee5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EE5 | 16792 bytes |
font_03_sfnt_off000146fc.bin30e7f8f640a4b6f4f4f495e32588d7592685f64a9622a9560fbf35c0d20186a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146FC | 10908 bytes |
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