MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics as containing a link farm hosted on compromised CMS uploads. The ML classifier and ClamAV also strongly indicated maliciousness. The presence of numerous URLs pointing to potentially malicious content suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160772a249d9e8---67116816492.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/ea083d4989629c280c4bcf5e5e1d245c/nanopubapuvoz.pdf
- http://interface-referencement.com/userfiles/file/gozizawix.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba556830af6---xawedejotazujozaxupa.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/498b1597be2cb7283dd41c9abce49680/dotepebuxuvebetewose.pdf
- http://dkkarsin.pl/img/upload/files/85962167983.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/de778eef1d2fdd831aa0fe7c23c91d40/revewiromipez.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa20972363---58165718051.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ec2745589---59687193916.pdf
- http://blevy.com/ckfinder/userfiles/files/16846839441.pdf
- http://albatrossmrn.com/konadnew/userfiles/file/pojaruzonuwow.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd74fbf353f---bixonisov.pdf
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16072272934201---27040573067.pdf
- https://solidpractise.com/files/userfiles/file/dusadedis.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb2db672d7---nawanugorizevazagupupevug.pdf
- http://kutscher-customs.de/gfx/userfiles/files/14998159677.pdf
- http://brukbet.com/user_images/file/15690863641.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/a5063f7e48244f13267f86f224e03101/78298900710.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/kktgcqo8gp2msavae0vnjmpl7b/pixovemaga.pdf
- http://geostudio.eu/userfiles/files/jexokozazadezetododafolif.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092baa216166---7113125926.pdf
- http://sns.hu/_user/file/guvekubafis.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=second+life+marketplace
- 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_off0000b595.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB595 | 16792 bytes |
font_01_sfnt_off0000cda7.bin8c155ddc6dc2e900e0a9a112ddecdfa7c3d4a783f4f14ed1d9cf5fa27e90b27b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA7 | 14324 bytes |
font_02_sfnt_off0000f1dd.bin81f1a08e4adc8898bb2565d0f5a891682b15105a4c889b82ccb108bf481c4910 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1DD | 10780 bytes |
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