MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains text related to learning English and includes the malicious redirector URL. This suggests a phishing or scam attempt designed to lead users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://ttraff.ru/pify?keyword=best+book+for+learning+english+writing+pdf In PDF document text
- http://files.bmtechservice.com/uploads/1/3/0/7/130740053/zeradinexopo.pdfIn PDF document text
- http://wulovenab.petetherockman.org/uploads/1/3/0/8/130814328/8057141.pdfIn PDF document text
- http://files.iyengaryogacenter.com/uploads/1/3/1/4/131453226/b43a8f3507.pdfIn PDF document text
- http://files.emilynolanviolin.com/uploads/1/3/1/4/131483492/6984878.pdfIn PDF document text
- http://www.fotolia.com''gt;FotoliaIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/1314/0643/files/differential_calculus_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kovutuku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1842/8326/files/griffiths_introduction_to_electrodynamics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4342/2359/files/44559457950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8509/3281/files/nta_net_sociology_syllabus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3425/5258/files/free_to_word_doc_converter_v1._1_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7586/6519/files/www._free_online_converter_to_word.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0275/7281/files/ziroredugumales.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4519/1841/files/pujabuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3976/9254/files/git_global_gitignore.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8922/9979/files/19651089355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7940/1623/files/xewowobilagujebumepawu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5014/7733/files/80392409811.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/zizarezosikafuz.pdfIn PDF document text
- http://www.fotolia.comIn 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_off000072c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C9 | 5648 bytes |
SHA-256: 934117f7e4c34bce5e66d2ccfa29aa41da3bae64f093317583d0cb31e26eb819 |
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font_01_sfnt_off0000860e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x860E | 10120 bytes |
SHA-256: 1169e722fdabfba3d3d73fd67793786ffd7f87eb8459a74f93311b943e1ae7e6 |
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