MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs that redirect to a known malicious domain, ttraff.ru, disguised as a service manual. This indicates a phishing or malware distribution attempt. The ML classifier strongly supports the malicious verdict, and the presence of multiple SEO-optimized PDF links further suggests an attempt to broaden reach for malicious purposes.
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/wix?keyword=lexmark+ms310dn+service+manual In PDF document text
- http://silefe.jihyunhong.com/uploads/1/3/0/8/130814687/zizeginomuxavegi.pdfIn PDF document text
- http://files.twtlministries.com/uploads/1/3/1/4/131406841/redupiserejuxix_fiwufom.pdfIn PDF document text
- http://files.jenlarussa.com/uploads/1/3/0/7/130739462/zofezagelefitek.pdfIn PDF document text
- http://xekenur.daxandivyboutique.com/uploads/1/3/0/7/130739101/6495983.pdfIn 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/1/0431/5519/4011/files/73545262984.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3938/1912/files/38550407692.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9253/1617/files/clothes_worksheets_for_grade_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7042/2180/files/59830789178.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9338/5633/files/36559701169.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7053/7374/files/financial_reporting_council_act_2011.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8508/6364/files/modajowugivasozuzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0480/9880/3875/files/fission_fusion_worksheet_nuclear_weapons_answers_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5004/9446/files/agronomie_cours.pdfIn PDF document text
- https://93775e36-0cf7-44dd-920e-9cca739a7e36.filesusr.com/ugd/80bfa9_c16fea47c97b4d2199e9427258e82c0c.pdf?index=trueIn PDF document text
- https://b946b040-3972-449d-8156-e21c3750dfea.filesusr.com/ugd/784815_fd804d5fc79c48f985211c0901bf5dfb.pdf?index=trueIn PDF document text
- https://a3f79fba-6e83-4fd6-b489-ebaaad02e059.filesusr.com/ugd/7d1dc9_a587162ae3624ce9bccac56905cfbd85.pdf?index=trueIn PDF document text
- https://0f70fff6-d2e6-46c1-bcd4-e0afa4e4482e.filesusr.com/ugd/7a359d_92010369cf224cb9ac7c51a11879a239.pdf?index=trueIn PDF document text
- https://1d601df0-0f97-4293-9f1c-e65b0ebb6512.filesusr.com/ugd/5926b4_97f8f42c4801442d806754591b30a218.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_off000086c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86C4 | 5576 bytes |
SHA-256: bfe14969c987318e2807024f8a3ce86cdcdd4496600987ff51a3dba2bc8e86f8 |
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font_01_sfnt_off000099b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99B6 | 10808 bytes |
SHA-256: 3d16d52c7036dfe58783b040b290a2988e59bc86b42361fe3d8f2bc672ec5b0d |
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