MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users to malicious sites. The presence of urgency and callback lures further supports a phishing or scamming intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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 http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xibuf.pdf
- https://hirurgija.me//files/besuzeguromofumabogituwa.pdf
- http://world-green-hope.com/uploads/files/70559004204.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/bfcd0e2d546237bea5a567ea1a753d88/satubuja.pdf
- https://bhsbeacon.com/FCKeditor/file/53478747942.pdf
- http://degrossier.nl/uploads/file/66777146444.pdf
- https://pianoinprimopianofestival.com/uploads/file/97379123626.pdf
- https://simondaulte.com/ckfinder/userfiles/files/rigepibelobawusis.pdf
- https://hoalavender.net/upload/files/bovemonot.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/09c5c8072d5537f23f94d3500d06334b/xotop.pdf
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/ee2d2099aba411927e54949dbf1f5358/gowutuza.pdf
- https://frigosztufi.ro/ckfinder/userfiles/files/64364376077.pdf
- http://rhondachem.com/d/files/63294677667.pdf
- https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/etto5s683n171ff9k4seru8p2h/20352069064.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/6068ff1eed6cfd4796cc497601a99f02/75302297701.pdf
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/10918c7af5360fba6af1df6d4cd2f441/zalerapomesefekalevelavog.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/5895c489a909c16e588b8e1aa65eae06/kexisukovekinuvojezub.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f673dadbaa---39082273514.pdf
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/6e63db0ae98e519c4d12877b6c90a9d6/57779588471.pdf
- https://emilline.dk/ckfinder/userfiles/files/jupekeledimodidaxibejolet.pdf
- http://chargers68-50th.com/clients/3/3d/3dd154274af4887fbe356f6dcfc18689/File/vatikofapavagetuzijo.pdf
- https://kligi.viart.lt/ckfinder/userfiles/files/pibililojizevajebamefizet.pdf
- http://j-line.ca/fck_upload/file/90819306411.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=seafood+boil+with+crawfish
- 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_off0000efe3.bin8c56a36b50ac7c1380f64ff551625ab094ff7e8010616787e25f428dd6a47286 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE3 | 10768 bytes |
font_01_sfnt_off000108d2.bin0a9d0a179e76088a762c333b8f3ece382048177b68b8dd16ed350d4e224ff15e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D2 | 18652 bytes |
font_02_sfnt_off0001391a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1391A | 16792 bytes |
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