MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress upload directories. These links likely serve as a lure to download further malicious payloads or redirect to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608271a30e23c---juloxawakajo.pdf
- http://toeicspeaking.net/_UploadFile/Images/file/ripekojesatalageko.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160719137b533e---retexagivatimutonidad.pdf
- https://hashtag.school/userfiles/file/roxegafolexilan.pdf
- http://anhuicrew.com/upload_fck/file/2021-4-30/20210430110002152097.pdf
- https://foodphotoshop.com/userfiles/files/11200914259.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a4c896183---45093211189.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16076355167a8a---30806303533.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16072c7f04cb85---39407327328.pdf
- http://kppzp.pl/userfiles/file/kulezevatajadilonudesolo.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/d84a4be52709c4e8120ddea18a75856d/16018247433.pdf
- http://brmxn.com/userfiles/file/20210627014318_z9t7j8.pdf
- http://angarakshaksecurity.com/userfiles/file/94771454547.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd9d3a2597---45132194351.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16090b7c001e40---xijoximefivogaladujem.pdf
- http://dhsclassof70.com/clients/d/d1/d13f49183e6b2ef720c1f353b43de0f2/File/tusigakulu.pdf
- http://gursakaryahukuk.com/images/file/todironepupofomewenesovu.pdf
- http://teleinwestor.com/userfiles/file/loboxafukuwuv.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/e46f770da78225537924579c7ce6f717/jizag.pdf
- http://pileshoppen.dk/userfiles/file/48303452775.pdf
- http://zovsh.com/Uploadfiles/files/8490586403.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a25ea265311---zotadavuwabuwuzugitupun.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ef6f89fac---30855708063.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4f594d10f---zejeduditowowe.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/dna1unfovbrmcdapfenklpt41t/66304065309.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=international+commodity+prices+live
- 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_off00011a75.bin5f3f85bc1608660de42ff601bd98da5e433144481ba9b138bd1b6a0cecb52994 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A75 | 18072 bytes |
font_01_sfnt_off000149a2.bin358acaddcc6de327e70dd8f4d2311efe06ebbafc38e16902644938dddaccc681 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149A2 | 10808 bytes |
font_02_sfnt_off0001628b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1628B | 16792 bytes |
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