MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous external links, many hosted on disposable domains, suggesting a link farm or SEO poisoning tactic. One of the embedded URLs, 'https://bologen.ru/wix?keyword=download+happy+wheels+full+apk', indicates a lure to download a game, likely a pretext for malware delivery. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
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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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=download+happy+wheels+full+apk PDF link annotation
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- http://re-capital.ru/how_to_solve_a_rubiks_cube_stage_5fvnfu.pdfIn PDF document text
- http://matras-24.ru/bst_dongle_latest_setup_3._50bi4k1.pdfIn PDF document text
- http://kindraretterath.com/985391450555xdn5.pdfIn PDF document text
- http://mitutepoka.medianewsonline.com/childrens_islamic_story_books_online.pdfIn PDF document text
- http://rikafitamedad.medianewsonline.com/zozazakarukuvatujo.pdfIn PDF document text
- http://soldatskaya6.ru/blender_export_animation_jsonkqc6z.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://benamow.myartsonline.com/what_is_the_military_code_for_letters.pdfIn PDF document text
- https://s3.amazonaws.com/zoxewudunigus/44987318967.pdfIn PDF document text
- https://083189c9-8220-4687-a375-57be19a37228.filesusr.com/ugd/909b15_7bdf6bd755234754bbb8af963e8999ce.pdf?index=trueIn PDF document text
- https://43cb2d18-1589-43a7-b1c5-fe1278e1c76d.filesusr.com/ugd/370b54_e34cda7f61634294bc8530decf3d0b04.pdf?index=trueIn PDF document text
- https://e82ff0bd-cb1a-4782-8b92-0a0fb7657660.filesusr.com/ugd/d17951_ee026a54fa3d4c94811a9972e08594b6.pdf?index=trueIn PDF document text
- https://2791e1c6-719d-47aa-bdc5-1556df251b63.filesusr.com/ugd/7757c5_7d437259ce2e4744ae0aa950f6a68a65.pdf?index=trueIn PDF document text
- https://1f49b3f1-4b09-4f89-88df-03804352fc9a.filesusr.com/ugd/a51aec_f43ee87ec21d46088d7fd86f5a3c7801.pdf?index=trueIn PDF document text
- http://muvekalufisu.atwebpages.com/harman_accentra_pellet_stove_insert_igniter_replacement.pdfIn PDF document text
- https://8aebee23-f0ec-44bb-9168-030d5632d650.filesusr.com/ugd/48d9a1_6143261f89f74141862523530a35a80f.pdf?index=trueIn PDF document text
- https://18b09f4e-de4d-4c1b-9fe6-be55c63b1c00.filesusr.com/ugd/cd81e9_d793a20a4e1a4175b04bd25a3393f136.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dowavelaxam/front_camera_icon_disappeared_android.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://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_off0000e229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE229 | 5292 bytes |
SHA-256: 5dc6d2eaf311308f8fcc085ac906d0f832097fb5f28469278f4d7e096c2bc8ae |
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font_01_sfnt_off0000f449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF449 | 10204 bytes |
SHA-256: e4bde755d7a634538eb07f9a5bf44149410fcb1752a3fd5be24b41774df13c13 |
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