MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links pointing to compromised CMS upload storage and disposable hosting. These links likely serve as a lure to download further malicious content, as indicated by the ClamAV detection 'Pdf.Phishing.Trojan'. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9931
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc9d40f0d9---bedanawuteku.pdf
- https://fablab808.com/nbloom/fckuploads/file/23438436075.pdf
- https://egyseg.eu/ckfinder/userfiles/files/misavezigeb.pdf
- http://begemot-rus.com/uploadfiles/file/2021051920081073499.pdf
- http://szakkepzosiklos.hu/upload/file/40067239955.pdf
- http://radio-salsa.com/php/rs/filesupload/file/87960406510.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/02752784ad5479faae6d434976e36221/86209984629.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c1293a8d5---bobofejipezodedul.pdf
- http://www.aluvascientific.com/UserFiles/file/dojumulozupokinume.pdf
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/bdb404u68rilk97lku28k169n3/51263957974.pdf
- https://ambulatorioveterinariosismondi.eu/file/34999533833.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608726947f0c8---rawapekikonakidemefon.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/9ov5j7eu4lvd6dped8uqvb4fs0/97343636904.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/9a5acfce6c85d22e2c069d32f47f7630/kerojikogowojeledeb.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803098415ab---nijubegusivutunotutol.pdf
- http://stolizstekla.ru/userfiles/file/65630734243.pdf
- http://ufnk.fr/app/webroot/files/file/7169967997.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/o2o40chvhmj364di16ejgrsbg2/musikewepop.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16085d0c4ab837---binijidaragirawufifuz.pdf
- http://danies.ru/ckfinder/userfiles/files/95696845037.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/d6d94a9b1c8684ce971d8a135d21045c/zojerotavebusonigim.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6a7d1336b---vemerejekubutodalufatu.pdf
- http://botosani.ro/img/uploads/file/8701448165.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3643b6f89---laguli.pdf
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/tadexinawi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=what+temperature+of+water+holds+more+dissolved+oxygen
- 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_off00014675.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14675 | 16792 bytes |
font_01_sfnt_off00015e8c.bind68b54db84873b3f56eae452e0d4e9a32e3c1a091259005d206500d557e7c450 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E8C | 11404 bytes |
font_02_sfnt_off0001791a.bin22429d5f352a94a81f4e8ac494e00eaf4eedfceb9591eff0babea07990510332 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1791A | 18484 bytes |
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