MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm for SEO poisoning or phishing. The 'SE_CALLBACK_LURE' heuristic indicates the document may also attempt to trick users into calling a fraudulent support number. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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://infrive.ru/uplcv?utm_term=sexual+harassment+touching
- https://agrolliance.ca/ckfinder/userfiles/files/pawefugogepulepetob.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dedd814a30---zagidulefevudupofituza.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f6229bcc6e013e8361046c3ecb65b924/98262289397.pdf
- http://iaestedresden.de/userfiles/file/29349924585.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160a281a370fe3---39992576970.pdf
- http://aliglobshop.com/userfiles/file/54183501503.pdf
- http://absigorta.come/file/19319139748.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/ir5o3qb86q6lrnbfggn9sbh9ta/rivubef.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/20ilp1voo3k766iv8fvg68h2or/turumebev.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160bd7b1a03d59---53068683215.pdf
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/ina5ir0m9jiuvv08a4t2boi9l3/86657016011.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/nfcagv7pu0eoc79qgc38isd3n2/fejiwokawajatupofupe.pdf
- http://gptools.net/userfiles/file/xofalubaxadeno.pdf
- http://chretkinia.pl/userfiles/file/63757183301.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfe7801a00c---pezipararakoxewe.pdf
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/c7dd01a557e59839ba03531ca2e48c82/51992388904.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1cd0a0bd3---bojukiwijobud.pdf
- http://goref.ru/files/file/294196166.pdf
- https://iveducentar.com/uploads/assets/file/zodevijo.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160872ba4e2f75---taxajuraripez.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b62fbb84a0d---tafowipotejufetiwavon.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/8f1f09ef1370343b9edbc8bcff057b96/vevezoveridipusegow.pdf
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/ec1dadff08b01bce7fc77f8f14c340c8/gawuvuguwarelodoranavorit.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_off0000fc61.bina6fa7fcccaf89a634281520baceee19ff1ff2b6b0f30fe7b0e4bc8cf27e9ff0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC61 | 10956 bytes |
font_01_sfnt_off0001159e.binb1835e38fd9d58c265b7d4b7da20ccb3e2f435564fb0d4883e8596593361aa88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1159E | 17772 bytes |
font_02_sfnt_off00014408.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14408 | 16792 bytes |
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