MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many of which point to disposable domains and are likely part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically a phishing or trojan distribution. The embedded URLs and the heuristic firings suggest the primary purpose is to redirect users to potentially malicious content hosted on these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://botokaw.ru/award?keyword=tujuan+agama+islam+pdf PDF link annotation
- http://cparta.moscow/how_to_pair_with_alpine_cd_receivermvlvs.pdfIn PDF document text
- http://italywow.space/tugonis65d2.pdfIn PDF document text
- http://xviiivbgz.com/90199369210jghzc.pdfIn PDF document text
- https://cdn.sqhk.co/setuboluraje/15ggzig/35488060987.pdfIn PDF document text
- http://lnstagram-help-businesss.com/uppababy_mesa_car_seat_jake_vs_jordanvhnly.pdfIn PDF document text
- https://cdn.sqhk.co/vatuliwa/igygegj/61855714896.pdfIn PDF document text
- https://sugokumorol.weebly.com/uploads/1/3/1/4/131437576/ba076f4.pdfIn PDF document text
- https://ganaletikuwefe.weebly.com/uploads/1/3/4/3/134306697/zurezifasok-nojakipub-fubifurenimux.pdfIn PDF document text
- http://ig-mediateam.net/67777660737ay9hu.pdfIn PDF document text
- https://gupovokezatiku.weebly.com/uploads/1/3/4/8/134878629/2192fcc.pdfIn PDF document text
- http://bristol-yalta.run/kifakajic1sz.pdfIn PDF document text
- http://ig-copyrightviolation.com/world_war_z_game_trophy_guidexu6wq.pdfIn PDF document text
- https://cdn.sqhk.co/disumuneriva/jjby9HH/rerexamuzilijamoloje.pdfIn PDF document text
- https://cdn.sqhk.co/vobipibomuk/ijm5Bxj/40379957501.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e020cfd2-8e0a-400e-a515-81f1b041bf9c/gabuxuvojijofuno.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14d4c788-d223-4efb-938d-cec980860095/mesa_dual_rec_rev_g.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/abbd3723-c06f-4903-a263-25dad610cb6a/thermodynamics_book_for_chemical_engineering.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5902692f-29fe-40d7-bd4d-4cdcf3a479b0/namebufibibopa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/51538e42-64f6-4a78-a409-22cd62278bf7/16511446161.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0001315d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1315D | 23272 bytes |
SHA-256: 1817c45c5d1a97bb3fc98fff94275196b6f67de844346bfbf23aaddedb518148 |
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font_00_sfnt_off0000fa2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA2A | 5288 bytes |
SHA-256: 95e4468585f3e45b6e3b64ade19564fe30e90e7528bc38cc3f8bb6b0456838c4 |
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font_01_sfnt_off00010c23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C23 | 10880 bytes |
SHA-256: f2bd6a1d6cf178951c9fef654cd29e9b1acff6194908efa61b1181355662bc85 |
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