MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, with a significant heuristic firing indicating a 'PDF_SEO_LINK_FARM'. This suggests the primary purpose is to redirect users to a large collection of other PDFs hosted on various domains, likely for SEO poisoning or to serve as a distribution point for further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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://bologen.ru/wix?keyword=air+force+ranks+enlisted PDF link annotation
- https://lexezidelaxo.weebly.com/uploads/1/3/4/6/134605078/34e5e79d35e13d7.pdfIn PDF document text
- https://jetasiduneka.weebly.com/uploads/1/3/4/5/134586997/motirig.pdfIn PDF document text
- http://websecurer.tech/autocad_2007_2d_basic_tutorialsqhy2.pdfIn PDF document text
- https://cdn.sqhk.co/ropimipaf/jfjjYgh/xukupakabati.pdfIn PDF document text
- http://trydouche.xyz/gentron_10000_watt_generator_manualo2w3b.pdfIn PDF document text
- https://sugemisikuwev.weebly.com/uploads/1/3/1/8/131856456/91da9061a95ee.pdfIn PDF document text
- http://naturebiolog.space/96346598230jcwqy.pdfIn PDF document text
- https://cdn.sqhk.co/vizakifito/c6Sib3D/vilafafaradomejajanuwufe.pdfIn PDF document text
- https://cdn.sqhk.co/dodirijobadi/c0bieid/btc_price_prediction_today.pdfIn PDF document text
- https://gofubemasuxa.weebly.com/uploads/1/3/2/7/132712405/fewiminupowutufoge.pdfIn PDF document text
- https://mumilupoj.weebly.com/uploads/1/3/5/3/135351188/6005712.pdfIn PDF document text
- https://ferateritilew.weebly.com/uploads/1/3/4/2/134265971/kegepupofol-nomofiw-dukovuki-wavarov.pdfIn PDF document text
- https://fusonunobowur.weebly.com/uploads/1/3/0/8/130813531/jobapu.pdfIn PDF document text
- https://cdn.sqhk.co/mekurapiw/hi6ihXX/dry_ice_blasting_mold_cost.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d992f69e-bc5b-430a-92d7-abfd66d0380b.filesusr.com/ugd/6f7357_2cd064f31c654e2b96c7330bfd4ae8fc.pdf?index=trueIn PDF document text
- https://6d5fec37-5936-4ae8-8938-03a86e982f09.filesusr.com/ugd/d4da64_5ebd58e4f2414a1c82dfa204f4b7ffd2.pdf?index=trueIn PDF document text
- https://c7972686-9310-4d97-8ac3-15e828887225.filesusr.com/ugd/8a419d_1e376eaf37024d3e9ecdb0299f3145b4.pdf?index=trueIn PDF document text
- https://19004eff-8f5e-45b0-b15a-9fbdbd99e39d.filesusr.com/ugd/578ea4_1c999924297e47dbaf4d0a7c471f9874.pdf?index=trueIn PDF document text
- https://729282ec-1290-4cbc-9302-cf8a24acd4c7.filesusr.com/ugd/42c189_15e08838e1814a5592be7ee493ee3169.pdf?index=trueIn PDF document text
- https://f38be386-5799-403b-9303-fb121113655a.filesusr.com/ugd/6f1aa7_42cd1a119fad49d1b139176a55188240.pdf?index=trueIn PDF document text
- https://f3c4034a-4a94-4c47-b6c5-0445626d7bf8.filesusr.com/ugd/655f09_faae7591d5ae4de79ac8bf2c6dfcfcec.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f078.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF078 | 5068 bytes |
SHA-256: ba87f1ac9e976722d60dd5d1a5eae3bae4b7154bfe86d16deb4d301e58bb35b6 |
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font_01_sfnt_off000101c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101C9 | 10660 bytes |
SHA-256: 6ee3bbcf342fe0d4188dc3dc71d9e82dcf0178718b36e30e3f4db6dcc3fb8309 |
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