MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://nipisod.ru/123?utm_term=allotment+of+shares+ppt PDF link annotation
- https://cdn-cms.f-static.net/uploads/4365620/normal_60442219e87d1.pdfIn PDF document text
- http://lixebafevoku.mypressonline.com/75134279562.pdfIn PDF document text
- http://rodina38.ru/jipuzuzot4dvwf.pdfIn PDF document text
- http://pro-komp-master.website/fast_food_persuasive_essay_topics7s07f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390643/normal_6024498724530.pdfIn PDF document text
- http://fixmarker.fun/air_force_academy_chapel_imageskz8ja.pdfIn PDF document text
- http://wedipum.mygamesonline.org/immune_system.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485710/normal_603bd9edc4397.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/ff86b4eb-106d-4d03-ba18-24040fede5e2/how_to_use_nikon_ml-l3_remote.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c60f47e7-b84c-4f2d-bfeb-103db364b906/how_to_write_a_script_for_an_oral_presentation.pdfIn PDF document text
- https://ec679cc6-872a-45a8-b2fd-b1bc8f6ddb77.filesusr.com/ugd/d1d005_bb760ed9e9e54f4180507498f9e9b769.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d8788c8c-4b10-419b-b493-9ef6b74cf06f/what_do_the_silk_stockings_symbolize_death_of_a_salesman.pdfIn PDF document text
- https://964beff5-d24f-450a-94e2-fa7e9faef44a.filesusr.com/ugd/61158f_7c4603f9f43342d4aea9be01da96e45b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f43331a4-7881-45b0-a7fe-3e7594f11c30/midi_drum_patterns_ableton.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1903c9bc-b7d9-4d97-9fee-ac1a7278f896/pawogukekowivapovegodi.pdfIn PDF document text
- https://083189c9-8220-4687-a375-57be19a37228.filesusr.com/ugd/909b15_1640a343dd494cea8658cb9d79bfb1be.pdf?index=trueIn PDF document text
- https://ba30dffa-51fe-4caa-9472-6f142403a9bb.filesusr.com/ugd/c2007e_32ea98c2656840efbb12aecc6cb35acc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9f13c44d-f038-45a9-9bd7-80b4d2b659e5/love_story_guitar_chords_and_strumming_pattern.pdfIn PDF document text
- http://furipurisebete.onlinewebshop.net/boy_scout_cooking_merit_badge.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba7bc12c-ac64-4077-8c14-a5dc023d2fec/full_symbols_list.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3acf3b3-557f-4c10-9d08-dfc811c99e9e/dozomagetaruvoxume.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_off0000db1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB1F | 5132 bytes |
SHA-256: 9898038b6e7789f27013d5481bfc3108f1ab65df80d10b97014fc67412c3e043 |
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font_01_sfnt_off0000ec68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC68 | 10148 bytes |
SHA-256: cc96a111803137c4f047f3121b1a00be80494182199ecebec4cad0fe2a0ead5f |
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