MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=beatles+white+album+sheet+music+piano'. This indicates the document's primary purpose is to redirect users to potentially harmful content. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, suggests a link farm or SEO poisoning tactic to obscure the malicious redirector. No scripts were extracted, but the PDF structure and embedded URLs strongly suggest a social engineering attack.
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=beatles+white+album+sheet+music+piano In PDF document text
- http://files.dqeast.net/uploads/1/3/1/3/131380297/8435313.pdfIn PDF document text
- http://wepusegi.sp-arms.com/uploads/1/3/1/4/131453718/jefojowatinizi_vojifizas_zizawofelilebad.pdfIn PDF document text
- http://files.riverside64reunion.com/uploads/1/3/1/8/131871622/5718180.pdfIn PDF document text
- http://files.drevechoe.com/uploads/1/3/1/8/131856105/xowiletem.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0435/9343/3246/files/minion_songs_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8545/3728/files/21559816457.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8301/4048/files/probation_officer_exam_2015.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5326/0706/files/kejovijazug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/godikuka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/corner_bookmark_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7511/6964/files/64418949540.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/futasitokikeserag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6597/4690/files/gidilogofop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6815/2216/files/36135081434.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8210/4478/files/how_to_renew_adobe_trial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1555/2674/files/dufawexawiposefubidasu.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6447 | 5240 bytes |
SHA-256: dcebcfc9a0484eef259a3418cb8db7716b7836de91cb6d00701c1cecce73192f |
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font_01_sfnt_off000075f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75F1 | 9988 bytes |
SHA-256: 6d49e28eff605e54cff33938357ec0b581689f77f2256dce0dc649c79c3f4249 |
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font_02_sfnt_off00009824.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9824 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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