MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=dell+inspiron+6400+drivers+for+windows+xp+32+bit PDF link annotation
- https://xomitemekebok.weebly.com/uploads/1/3/4/8/134881854/470dacc6b80f84f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381102/normal_5fc7582c20f55.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483610/normal_5ffd39eae48e0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451556/normal_6057b357a96d8.pdfIn PDF document text
- https://cdn.sqhk.co/kewukapugino/jc0ie1E/guidehouse_llp_careers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388413/normal_6031ba704d40b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455194/normal_604036ba098fc.pdfIn PDF document text
- https://cdn.sqhk.co/gixelotopa/jgigig6/85259408350.pdfIn PDF document text
- https://debamivuk.weebly.com/uploads/1/3/1/8/131871977/rewotezi_fitokiw_fomiviloneg_fupobide.pdfIn PDF document text
- https://gukudobubutagen.weebly.com/uploads/1/3/5/3/135306914/jomimisafig.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e22e8d81-f41f-4d51-abb1-39b19d2d32bb.filesusr.com/ugd/96bf9d_c410cdaeb04e4006b90a5d7ecd13f47c.pdf?index=trueIn PDF document text
- https://d0275d90-c5b4-4c72-b581-d0e2b62fc6dd.filesusr.com/ugd/ee54da_548f282861a744eab44ac341d62098a8.pdf?index=trueIn PDF document text
- https://fad58b31-c538-4d3f-828d-7998eec853b9.filesusr.com/ugd/7e6083_9e050324f8964c089358961f3fe00f2b.pdf?index=trueIn PDF document text
- https://fa886832-b9e3-4ce5-a98c-97da2614721f.filesusr.com/ugd/9f8050_bfe37bf580af42d4b15c0e9e8ba79467.pdf?index=trueIn PDF document text
- https://7893bdd6-41e4-48f6-9953-3a636dfb5d61.filesusr.com/ugd/c5c63b_97f181b8819a4d60861af69e91cc43a2.pdf?index=trueIn PDF document text
- https://7d6e376e-1ee3-4df5-88c1-8d1511d419f8.filesusr.com/ugd/7dd30d_c985663e4b9941888589b4ee325f2ceb.pdf?index=trueIn PDF document text
- https://0a497e50-07dd-462d-832d-d8678f741a8e.filesusr.com/ugd/5f857b_66a5e3b3059a4d38959b652f22694f0d.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_off0000dfd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFD1 | 5864 bytes |
SHA-256: afc3b9932cdf2d805975e89e4786b2fc79fc019e6d19f436012eac571923c2f9 |
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font_01_sfnt_off0000f3fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3FA | 10980 bytes |
SHA-256: 4b79914f65f02a28d80fb3eed48e9ea2795f943687cabb77feab3452f3b2c8dc |
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