MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to direct users to malicious sites. ClamAV and ML classifiers confirm its malicious nature, identifying it as a phishing trojan. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution attempt.
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://nipisod.ru/strik?utm_term=nothing+else+matters+solo+acoustic+guitar+tab PDF link annotation
- http://help-verification.com/abecedario_con_dibujos_para_imprimir_letra_por_letrayc245.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375357/normal_604150f3db424.pdfIn PDF document text
- https://cdn.sqhk.co/divutugim/ohfbHgi/roladoporuxirisowomi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476927/normal_6043b6d7c92cb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388067/normal_601c5bab719d6.pdfIn PDF document text
- http://tublitalia.space/stack_ball_apk_moddew0c.pdfIn PDF document text
- http://thehensleys.org/the_name_game_song_lyrics_american_horrorfwv17.pdfIn PDF document text
- http://dezlice.ru/86293282094bq6h7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366381/normal_60215b5fb91fc.pdfIn PDF document text
- https://cdn.sqhk.co/dopuwene/iaibsic/binosipifez.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410953/normal_60089f9fc7aac.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6c71f620-b6e5-46cc-9e58-526c5f0a7a41.filesusr.com/ugd/1c90dc_9779bfad08264453ac5b03ed8869c363.pdf?index=trueIn PDF document text
- https://3c8d80e7-2998-4b53-b1db-ea2053e4eee2.filesusr.com/ugd/5c8c55_acd7ac4d7cf841428be16031065f6245.pdf?index=trueIn PDF document text
- https://ca108e69-7b6b-43f0-8f16-d96ebeb8a33d.filesusr.com/ugd/79e0dc_5109a93e94da4e09be1140852190106c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dafumuxitupav/lacrimosa_piano_sheet_music_free.pdfIn PDF document text
- https://ef4b221f-cfb4-47e8-bf1d-3b5092770df7.filesusr.com/ugd/4948da_e359032a560b458ab47f8769b17ea353.pdf?index=trueIn PDF document text
- https://543e2b4d-9699-46d2-9656-875e860b8e63.filesusr.com/ugd/fb32d0_d6f7e72e739d47ecb9b57e294ba90159.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ganubatebedoxez/greyson_chance_paparazzi_sheet_music.pdfIn PDF document text
- https://6db1e9a2-4282-4636-8d41-de07325ad911.filesusr.com/ugd/d97b38_b30a524fa51648449ec14dc9e0e12025.pdf?index=trueIn PDF document text
- https://e3e1c2aa-7f41-47b0-8c2f-d823cb48b857.filesusr.com/ugd/7598fa_f134b4ac01334200b12ff7e8017d8bc8.pdf?index=trueIn PDF document text
- https://1afae0f6-9e35-4dc9-9db7-5dbf78511926.filesusr.com/ugd/afe78f_db80423cece74b27b873ff3baab2d812.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_off00010685.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10685 | 5320 bytes |
SHA-256: 59eed3291bcf60c5787ca18dd463a1886f8cee3f9d5cadf65256b14c8a0adb63 |
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font_01_sfnt_off00011876.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11876 | 11700 bytes |
SHA-256: 12abb69168d1019a256e623f21ef0d81c3362f9a0965d228e2087d3b60d87053 |
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