MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised WordPress sites hosting other PDFs. This suggests a phishing or malware distribution scheme, likely initiated via spearphishing. The embedded JavaScript is likely used to facilitate the redirection or download of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ba72170ad3c---74128546336.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c07233135f1---41590163754.pdf
- http://tokyoracing.hu/userfiles/file/55720522946.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a6ad74f63---wofoja.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607570df33d81---46763301011.pdf
- http://ellenia3.eu/userfiles/files/32026558017.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/1716d344aa913f79c8c166a156686b04/butizena.pdf
- http://ipllaser.in/uploads/rusipulufepilokiru.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/d20ae22da3c67d40504d8d1c493a131c/resipifibiluda.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/wizakuv.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/cicshb17ad5unuu4cvbsptmm8i/lobakokipajuwadujorepakop.pdf
- https://stmarys-perthamboy.com/upload/File/xowosawukenapib.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/16094d7e506380---67313438762.pdf
- https://panificioilcavaliere.it/userfiles/files/diludaxokipovipeja.pdf
- http://assushop.com/userfiles/assushop.com/file/tojuvopojepegegu.pdf
- https://mayurherbal.com/userfiles/file/jumisipiz.pdf
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/da71d9673856cb08cc92c5f6f2c07cfa/52599650126.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed932bef328---bopilejakufebiwolalerarul.pdf
- http://motoren-adachi.com/js/upload/files/foxarewakenujerixenawug.pdf
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/9536fe164bc6869297c83368a9919f5d/zewupebevekeweni.pdf
- http://www.vikingmaterials.com/img/86357832979.pdf
- https://theelementrama9.com/userfiles/files/sawiwotilelagotilixide.pdf
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/45d98ac5226476597ebed17e7af94422/42628946255.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=can+you+tell+if+someone+screenshots+your+instagram+story
- 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_off0000f0ac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0AC | 16792 bytes |
font_01_sfnt_off000108be.bindcee40bc02217722d6b3805ba7b0f05759dec9b81c2e3fe7999a54769dabbc60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108BE | 16664 bytes |
font_02_sfnt_off00013421.binc4d3c72fb46ebb6592775597b172c0e8a0013891b8d73a846fe1109d9b1230c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13421 | 11028 bytes |
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