MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spam operation. The embedded URLs, such as 'https://baarspo.ru/aws?utm_term=generalized+epilepsy+with+febrile+seizures+plus+pdf', are likely used to redirect users to malicious sites. No scripts were extracted, but the PDF structure and numerous external links are indicative of a phishing or spam campaign.
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://baarspo.ru/aws?utm_term=generalized+epilepsy+with+febrile+seizures+plus+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4406455/normal_5fe9accddd582.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417997/normal_600bc1dd45f02.pdfIn PDF document text
- http://uspex22.online/giwulatajurejonosodok87qc.pdfIn PDF document text
- https://zugozoriv.weebly.com/uploads/1/3/4/7/134770463/jaxorulemokeke_sularanefiluv_fivikeret.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365602/normal_5fd3cdf9234bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485704/normal_6015fc4ea70d4.pdfIn PDF document text
- https://sizelelam.weebly.com/uploads/1/3/4/8/134867910/5805729.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373749/normal_6002402572c61.pdfIn PDF document text
- https://sewizafisebe.weebly.com/uploads/1/3/1/4/131437566/b24f73ffd2643.pdfIn PDF document text
- http://youtube-subscribes.com/enki_et_ninhursagmcsye.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476947/normal_5fc7d9f3beef7.pdfIn PDF document text
- http://reduslim-shop.site/467356231057z1h2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471959/normal_5fddce820806b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384820/normal_5fcaf42edcf8a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490519/normal_600f3d5f9513c.pdfIn PDF document text
- https://cdn.sqhk.co/zegofurop/jcigpLI/dj_name_mixer_app_for_windows_7.pdfIn PDF document text
- https://lidutefavova.weebly.com/uploads/1/3/4/0/134012516/a11e76.pdfIn PDF document text
- https://wajevubal.weebly.com/uploads/1/3/4/6/134687537/numizixakogebir.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/meludav/costco_plain_bagel_nutrition_information.pdfIn PDF document text
- https://s3.amazonaws.com/bifadiwuwileji/mokenepubozajox.pdfIn PDF document text
- https://s3.amazonaws.com/fumiposamisur/dart_board_games.pdfIn PDF document text
- https://s3.amazonaws.com/fadobirak/80769101071.pdfIn PDF document text
- https://medlineplus.gov/genetics/condition/genetic-epilepsy-with-febrile-seizures-In 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_off0000e18b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18B | 5544 bytes |
SHA-256: 704c3560369cb0eb915ac08bec54d91b74732e2eaf304f3080b974a7b282d73b |
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font_01_sfnt_off0000f479.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF479 | 10696 bytes |
SHA-256: f273d6eaf4c459016edb7cf1d60025842845b1e3c9c4abcb56689537697006e2 |
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