MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classification and ClamAV, with heuristics indicating it's part of an advance-fee scam. It functions as a link farm, directing users to compromised WordPress sites hosting what appear to be other malicious PDFs. The presence of embedded URLs and the nature of the heuristics strongly suggest a phishing or social engineering attack, likely intended to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
Heuristics 7
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea8b0a6831---24134412890.pdf
- http://learnazia.com/fck/imagesfile/zaxaxurukekip.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a8bfc45b68f---40547553368.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbd7f6bdcc---91537929632.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074688928cbf---tenezam.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e19f72c472---daxujezura.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/763574dbe26caf699d37a6dcd0b04f3f/jonojifefumari.pdf
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/ce2053d59efce5df89a04fb8ea373f93/92705863826.pdf
- https://nffcd.org/userfiles/files/zapixerevap.pdf
- http://jiangsutravel.kr/userfiles/files/20210621_060215.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/3808667682dd15654220ada46fd8c98a/91762752634.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a24e55603---60457315512.pdf
- http://duetsepolno.pl/userfiles/file/lizotijerokadorefateri.pdf
- http://www.findvoters.com/userfiles/file/norimosekodigisepuzot.pdf
- http://romanakladatelstvi.cz/userfiles/file/41091595681.pdf
- http://melly-incendie.fr/img_db/vixebanalowik.pdf
- http://live-lessons.net/lcj/web/uploads/assets/file/wodonenexad.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f762cba422---63962759590.pdf
- http://blissworldbeauty.com/newerac2c/userfiles/file/53192148586.pdf
- http://lnshiyue.com/userfiles/file/20210527212245_1734373280.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/d94f2c167ecb7ed999e58d576ab4b0e7/bitinotilov.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/15fba198a0b869b5c96e77f7b49a9e02/45708371870.pdf
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/vh02ncl0dfbhmfnfkdqfac56v4/15710789519.pdf
- https://muratay.nl/userfiles/file/23015978641.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=journal+for+the+study+of+the+old+testament
- 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_off000109ab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AB | 16792 bytes |
font_01_sfnt_off000121c2.bin2a8d7384854920fc0eeeacc64184f99c927164b3815b582e9448afede553fa75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121C2 | 10732 bytes |
font_02_sfnt_off00013a4a.bina006073a8b2e24a0a8b1f3fa80d5b3301533c0bda7720f6d71514af74c9f7a84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A4A | 18496 bytes |
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