MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file exhibits malicious behavior by linking to a redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=bandana+bib+pattern+free+pdf'. The document appears to be part of an SEO link farm, attempting to lure users with the promise of a free PDF download. The ML classifier strongly indicated maliciousness, and the presence of numerous external links further supports this assessment.
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=bandana+bib+pattern+free+pdf In PDF document text
- http://files.salomonk.com/uploads/1/3/2/6/132681194/kewiwagos-pojoxem-xorive.pdfIn PDF document text
- http://files.customjazzycreationz.com/uploads/1/3/0/7/130739214/jomobabevuw-sedofejebajigun-tefifivamate.pdfIn PDF document text
- http://files.scottcherney.com/uploads/1/3/0/7/130739308/572242.pdfIn PDF document text
- http://files.a4ppodcast.com/uploads/1/3/0/9/130969371/sajimatujodad.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/1/0434/7537/0136/files/63758074725.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8684/7903/files/gasarodomajuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7679/4021/files/55897507268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1053/1238/files/punctuation_worksheets_for_grade_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8126/1466/files/mp3_skullcandy_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7664/0156/files/engineering_your_future_9th_edition_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8344/7968/files/zojufeturuludirodaloroji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/97663122184.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3975/9263/files/national_geographic_magazine_january_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2562/9335/files/detur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8475/9711/files/54400505339.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6808/7717/files/jodutaxijogexo.pdfIn 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006406.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6406 | 5016 bytes |
SHA-256: 769c8ff0f515829934f2667fa2a765643b1d85e636128cf247a85a247474b177 |
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font_01_sfnt_off00007521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7521 | 10044 bytes |
SHA-256: e25b31803a9cd38611cdb931a6681348ba6d4a0a3356705daa6fa00c9706e371 |
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font_02_sfnt_off000097af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97AF | 16312 bytes |
SHA-256: aad9bc0f36eadc3314e08670b59090120051e308b357201f134af3d0b781b2b0 |
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