MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, indicative of a link farm. Heuristics like PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM strongly suggest this behavior. The ML classifier and ClamAV detection further confirm its malicious nature, likely as a phishing or SEO spam distribution mechanism.
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://nomylo.ru/pbw?utm_term=html+to+pdf+using+phantomjs PDF link annotation
- https://limezisetuf.weebly.com/uploads/1/3/4/8/134871661/1108052.pdfIn PDF document text
- https://purelukanixavaj.weebly.com/uploads/1/3/1/4/131454065/8543b2676608fdb.pdfIn PDF document text
- https://xovokemopozok.weebly.com/uploads/1/3/4/5/134579322/simal_paxifazew_gutivanezov.pdfIn PDF document text
- https://besumexuzeju.weebly.com/uploads/1/3/4/6/134646316/lewaf.pdfIn PDF document text
- https://fusemikak.weebly.com/uploads/1/3/4/6/134649426/3673448.pdfIn PDF document text
- https://fexifetonazez.weebly.com/uploads/1/3/4/4/134492485/joresisi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393916/normal_5fe84ae6d5688.pdfIn PDF document text
- https://mumotajesok.weebly.com/uploads/1/3/0/7/130738730/5663118.pdfIn PDF document text
- https://komovifewujip.weebly.com/uploads/1/3/4/8/134895136/7749644.pdfIn PDF document text
- https://jerepukiw.weebly.com/uploads/1/3/2/6/132681878/3a9b66f.pdfIn PDF document text
- https://detabifaf.weebly.com/uploads/1/3/1/4/131436978/171e1384320.pdfIn PDF document text
- https://dakezevowefop.weebly.com/uploads/1/3/6/0/136088489/mivolekurivejoka.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385011/normal_5ff59ded44630.pdfIn PDF document text
- https://bitoranajezope.weebly.com/uploads/1/3/1/4/131453137/8555878.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/e1827a81-8c50-48ec-8003-d52325988c6c/best_self-propelled_lawn_mower_under_400.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/015d977c-676e-4a98-8617-733d9f4eb656/oreck_airvantage_air_purifier_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f0b0b74d-7ba9-47b2-a6c2-0668890de689/misoko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5340df70-d4c0-4c72-b486-3498a8536c42/musica_del_recuerdo_aos_80.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/957f783d-c757-452d-a7d5-6a871978242a/2012_polaris_sportsman_400_ho_top_speed.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b5cb7d4f-81c4-44cc-b624-2c08d4aa7f1d/73184405595.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/422308e9-0a61-47ce-adad-c6b71dead167/balonimowitar.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001021f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021F | 3032 bytes |
SHA-256: 25d16f16e695d910fad86cc1f8a028000560a24a301ee3b1784a2f0f392c7a10 |
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font_01_sfnt_off00010ce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CE2 | 5396 bytes |
SHA-256: e5a0cb7997cc8705c1fb5c9566d95667064a0ed2f4b158900dae1b35fcf6e5fa |
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font_02_sfnt_off00011f1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F1E | 11656 bytes |
SHA-256: 313c12d61fbd37df395987807c4a41fb92fd4d0884a13760253859197d82b273 |
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