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 0.9997
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://pelibifir.ru/strik?utm_term=marshall+dsl40c+manual+pdf PDF link annotation
- https://cdn.sqhk.co/rizitewav/gZidihb/zulokeg.pdfIn PDF document text
- http://instacopyrighthelpteam.com/how_to_renew_state_id_cardlzkk4.pdfIn PDF document text
- http://crystal-light33.ru/how_does_a_rear_coaster_brake_workvftam.pdfIn PDF document text
- http://samabev.iblogger.org/canon_imageprograf_ipf770_driver.pdfIn PDF document text
- https://zubowosusotikip.weebly.com/uploads/1/3/1/6/131637009/a97ad935f.pdfIn PDF document text
- https://cdn.sqhk.co/togixulala/NgcbI0K/70166056398.pdfIn PDF document text
- https://mamexobupelo.weebly.com/uploads/1/3/1/3/131383482/nasukokerake-gepapuguw.pdfIn PDF document text
- http://magic-spring.com/567043558844z068.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://zivuneko.epizy.com/oxford_picture_dictionary_second_edition_english_arabic.pdfIn PDF document text
- https://bf68d742-fb98-404a-ab47-1dcf24f7df52.filesusr.com/ugd/83e7fd_27a22e152862428a8ff970c7e5d4773e.pdf?index=trueIn PDF document text
- https://a3de454e-1598-42bb-a259-4eb69c42f179.filesusr.com/ugd/fb5067_d859e1dac4314ad4be6f0d85f0307c94.pdf?index=trueIn PDF document text
- https://4c2674ec-1430-4cec-a455-d6a35d10586e.filesusr.com/ugd/38955b_04309abc6a3a4e6887601b2ea8291ea4.pdf?index=trueIn PDF document text
- https://9db8f275-5044-409a-aa1b-3306d9dda9bd.filesusr.com/ugd/361f4b_4c57d94fb5a24b84ab76820e04a5408f.pdf?index=trueIn PDF document text
- https://0926596c-b1e6-4473-87d6-fed2e709bfeb.filesusr.com/ugd/e2a635_b458f667578a4bb7adcf09e3d2ccc61f.pdf?index=trueIn PDF document text
- https://a49aa754-465e-4bbd-924e-b3d0e7b66bd4.filesusr.com/ugd/81d6a4_cbf1b96f5707477da90324ca871083ba.pdf?index=trueIn PDF document text
- http://viromeradog.rf.gd/92970339074.pdfIn PDF document text
- https://bb55feb6-a0c4-48ae-8f72-aea2c45912f8.filesusr.com/ugd/b9801a_b66d334ae7dd435db37806d1a6c39381.pdf?index=trueIn PDF document text
- http://keputeka.epizy.com/casio_fx-115es_plus_manual_espaol.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bbf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBF2 | 5156 bytes |
SHA-256: bced5273efc44537ecb52a8074ada8de88e71c27ffa5277df3a4db08426a1c4e |
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font_01_sfnt_off0000cd45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD45 | 9320 bytes |
SHA-256: 64797c3ed04b90fd35aa0e69bb429e32f6d8379db033ef84100a86708b04ae3e |
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font_02_sfnt_off0000ed30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED30 | 16616 bytes |
SHA-256: 5868e3cbc90c1c96838836c01da454b9fc870479cf67e8516f0db0a20edf6b50 |
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font_03_sfnt_off000103f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F7 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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