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://midufefew.ru/123?utm_term=happy+marriage+wishes+video PDF link annotation
- http://sehq.xyz/chi_chi_s_medium_salsa_nutritional_information0jj5i.pdfIn PDF document text
- http://lesantyqas.online/87254987230xto1q.pdfIn PDF document text
- http://particuliers-societegenerale.xyz/debogukofotepeladi011od.pdfIn PDF document text
- http://obsluzhivanie-kompyuterov.moscow/dabulowenizov6w2z3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/fowikorejodi/big_data_analytics_companies_in_chennai.pdfIn PDF document text
- https://e6a48395-9ebc-465e-8505-c4b20d7b8e72.filesusr.com/ugd/81e12b_92149ae5b08c4698a6fbce51dc90108f.pdf?index=trueIn PDF document text
- https://c81c1a69-aec6-471c-ac34-7a6800eafc69.filesusr.com/ugd/9ef1ea_f726ca0b3b0a4290ad91c34180fdf5e0.pdf?index=trueIn PDF document text
- https://065b66ee-25d8-4381-b309-094abc4d823c.filesusr.com/ugd/2703e6_ee43d8e8986d42bfbe08878abefc074b.pdf?index=trueIn PDF document text
- https://c4cd0dbc-23d7-4f11-b65f-2561cec8abe5.filesusr.com/ugd/516793_5227c67331254404802729c74ac39fdc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rezugekolaba/musik_bastian_steel_lelah.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc74782a-1644-4b72-9b6d-a49bac603c01/57279114551.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a58c291e-06cf-40fb-8f99-06583ae69cc7/how_to_set_call_forwarding_in_vivo.pdfIn PDF document text
- https://ad9e3d1f-bb22-46ca-892e-b6aa3325a756.filesusr.com/ugd/837d34_5dfcac837ec54e9ba94dbc5a55994c25.pdf?index=trueIn PDF document text
- https://1a6defe7-92a0-4357-8a70-d3bce85d30c9.filesusr.com/ugd/385065_5ca005550f704ac0823416a37ff87c4d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4bc90900-8954-4630-b7fe-c962b031ad30/how_to_take_the_workkeys_test_online.pdfIn PDF document text
- https://s3.amazonaws.com/fosagobomap/65938439133.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7adc8f70-6827-4e9b-b1ee-c048fa169bb6/fakijimojokakunesupokut.pdfIn PDF document text
- https://eb72eaa1-ef55-40a3-a653-f6d21bccf295.filesusr.com/ugd/54913d_eb6f250c3d9a49e789b15fdd80ef4080.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dutuzanob/juzubotoromuzifuxikexoduv.pdfIn PDF document text
- https://92ddf5cc-4ce7-4caf-b117-8241c553a727.filesusr.com/ugd/42bae0_6cd1f8b566a540e5b288f1dd5a27a0df.pdf?index=trueIn PDF document text
- https://f0ddeb88-3549-4a27-8821-6e3dd713f165.filesusr.com/ugd/2b74da_f1d461b589414f64a66eb625b9f7f388.pdf?index=trueIn PDF document text
- https://883cd1dc-02d0-4059-8fa2-99201f92b631.filesusr.com/ugd/6166c9_452ba388469b4a36a73c1f235a9465fb.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_off0000def8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF8 | 5556 bytes |
SHA-256: 96097d2f607df18da29b5a2078e6aa784e6795fdf3da65e90d31b5fcd571c939 |
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font_01_sfnt_off0000f1cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CF | 9968 bytes |
SHA-256: f52c086c1cb2703c9a114703e0d7ac9f83cab5bc1ecdce9f42eae24370f8d987 |
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