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 0.9998
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://midufefew.ru/strik?utm_term=programmable+logic+controller+definition PDF link annotation
- https://cdn.sqhk.co/kuxaroposa/ffmJagj/mountain_bike_xtreme_2_apk.pdfIn PDF document text
- https://cdn.sqhk.co/mogezunir/fggL1op/list_of_football_clubs_in_english_premier_league.pdfIn PDF document text
- https://cdn.sqhk.co/tutogalubete/ibjfNhc/jelly_filled_shortbread_cookies.pdfIn PDF document text
- https://cdn.sqhk.co/mibemofega/fjdzgeh/95472932225.pdfIn PDF document text
- https://cdn.sqhk.co/zifeduwa/Mgigehh/great_country_farms_brewing.pdfIn PDF document text
- https://cdn.sqhk.co/pekotegafod/KEicZhe/39749773144.pdfIn PDF document text
- https://cdn.sqhk.co/satidaruxami/UhiDgfl/goodrich_quality_theaters_jefferson_city_mo.pdfIn PDF document text
- https://cdn.sqhk.co/guwuweri/XZDNggh/wijaximaw.pdfIn PDF document text
- https://cdn.sqhk.co/zewapoxi/D5gehip/road_racing_wheels_size.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2e907eb7-0cdb-46e5-a4de-ff0e34d1b96e.filesusr.com/ugd/7ea2c5_1ea95067235b4ff584fd11cbb015eaf2.pdf?index=trueIn PDF document text
- https://c4fca8c4-0f54-45c3-ae88-320069d86c16.filesusr.com/ugd/ac0d21_b765cd9f912648faa33f80327142b53c.pdf?index=trueIn PDF document text
- https://4541bc1c-e35c-4de3-bb44-1f53c3e1a56d.filesusr.com/ugd/68f66e_067d48487a1c42c18c79ddb833c6c405.pdf?index=trueIn PDF document text
- https://e05653fc-386e-4c8b-889d-738aee72c63e.filesusr.com/ugd/62421a_b1bb6218879d4da094429358f6abe574.pdf?index=trueIn PDF document text
- https://ff0b3df2-dc61-4aeb-9024-93fa9b5bc175.filesusr.com/ugd/aa14a9_90b2943239fe4609bef77bfba8cf5448.pdf?index=trueIn PDF document text
- https://0d555108-1732-4721-8d72-76d747b2053a.filesusr.com/ugd/1b0481_ab5c2e66316949feb8a71311251a6551.pdf?index=trueIn PDF document text
- https://ecfc1f44-6648-4072-bff5-6ee4adcfbe4f.filesusr.com/ugd/e5a943_03357ba684264db9a3ac9fda51f31bdb.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vuterijoze/lekegumunutatugevitit.pdfIn PDF document text
- https://30cc9e9c-6145-4029-bfdc-d0561bdb3a10.filesusr.com/ugd/0dcf4b_dac07de29c4a4bc790e9be82e5454e53.pdf?index=trueIn PDF document text
- https://eaae50f7-3b1c-4f1b-9b3c-e2a48377569d.filesusr.com/ugd/b96e41_84b2cc925b004aa2bd6d4bab5c883140.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wuwabobujasivor/tukanawidadezipofipatu.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f973.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF973 | 5304 bytes |
SHA-256: 9f4c62e9a73d277c8fe72d70ac8e5269c96eeace429c195f70895e676b2e5d40 |
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font_01_sfnt_off00010b67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B67 | 10492 bytes |
SHA-256: 06766636aa3f4329cdf2c2dbf7451194f3ad2e5ad619b56f0c99721be5f3d95b |
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font_02_sfnt_off00012f67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F67 | 16060 bytes |
SHA-256: 503f5200e83b189a546b6c6e1d808633a9135186956fe76ff9bd78de3d91e3c6 |
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