MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=bittorrent+client+for+windows+7+free'. Additionally, a PDF link farm heuristic indicates the document is designed to host numerous external links, with one pointing to 'https://cdn.shopify.com/s/files/1/0428/0467/4727/files/51538599588.pdf'. The document body also contains text related to downloading a 'Bittorrent client', and a low-signal heuristic for a download button lure was observed.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=bittorrent+client+for+windows+7+free In PDF document text
- http://files.fastorwrite.com/uploads/1/3/1/4/131483147/ritekibirexavebudike.pdfIn PDF document text
- http://files.dominiquegebbink.com/uploads/1/3/1/3/131380343/1abb30935.pdfIn PDF document text
- http://files.hawifinearts.com/uploads/1/3/1/4/131453749/zalanorozem-menukulukona-sebuzoxevogarav.pdfIn PDF document text
- http://xovaz.rippintimber.com/uploads/1/3/0/8/130873851/1304801.pdfIn PDF document text
- http://wesatujaj.icerpglobal.com/uploads/1/3/0/7/130740169/jolagukokusipur-judupawisutepuf.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/1/0428/0467/4727/files/51538599588.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4640/2213/files/vogefoniginewes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4423/9510/files/hallelujah_piano_solo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/bewaguxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8977/2187/files/ansible_test_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/build_my_life_housefires_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7808/9878/files/42403309095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/pigudaxopi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5502/2234/files/cdpo_previous_question_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8721/7319/files/analog_and_digital_communication_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6886/6212/files/92438075323.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5594/6655/files/ludobinirodelij.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FF4 | 5028 bytes |
SHA-256: 256c90550c910d88614248a5127e663123a58ce310cb9647596f9852b130c605 |
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font_01_sfnt_off00008134.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8134 | 10524 bytes |
SHA-256: 66779ace7c962a090d5f70e981c7b64752520af4ae86737bd570b2928680ca8d |
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