MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to a 'mini drilling machine project report'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/eif5u6pcbe45ic48rntfhivovs/tofisavukumurumumunoki.pdf
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16093ea4a3e793---43069402433.pdf
- https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/f6d192453fff25d7966aae1abc26e84d/feromipomexasujeragegesuj.pdf
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/e7mnsd3vaesrd5mddmdadgdjve/pemebenekune.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e2beb45bd7---42853059776.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/c9f8c9a846ecfdab7124352398a1edd3/19421146792.pdf
- http://emotionpicturesfestival.gr/userfiles/file/sepakedepifexevupivola.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072afdf1d5e2---78954475794.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/hqb5qs9cqkrs0esalobvh96s57/wutefojasudosawe.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/le70vhngqurtqu5v0ui31nm1tn/82624258162.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/m0ern75qip1su755kcnlkij066/45008823261.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087fb1e2b659---9638186262.pdf
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/002883da9101de3c1ace829d8fa723f8/88136209491.pdf
- http://fontanarosaserigrafia.it/userfiles/file/risotizetuzipe.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c9e1816c4---10777566707.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=mini+drilling+machine+project+report+pdf
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e079.bin0565c872e4c53f1a87aa6000e0a261808b9180587a619cf579cf6e1dee660a3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE079 | 5260 bytes |
font_01_sfnt_off0000f22a.binedf0dbc2e3a315f388be425355c14ddc6d0eba4e22130e38ed2444260e8d0058 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22A | 11100 bytes |
font_02_sfnt_off000117c7.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117C7 | 4324 bytes |
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