MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=cellulitis+management+pdf'. Additionally, it features a link farm with numerous PDF links, including one hosted on 'cdn.shopify.com'. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic suggests a lure to trick the user into clicking the malicious link, likely to download a second-stage payload.
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.ru/pify?keyword=cellulitis+management+pdf In PDF document text
- http://files.greaterlifeheritage.com/uploads/1/3/0/9/130969428/nesujulakidi.pdfIn PDF document text
- http://files.christophersusak.com/uploads/1/3/1/8/131872087/zudawudul.pdfIn PDF document text
- http://files.fredmealiaphotography.com/uploads/1/3/0/8/130813630/bavape.pdfIn PDF document text
- http://files.caressasiu.com/uploads/1/3/0/8/130814631/c984b07.pdfIn PDF document text
- http://files.cbcustomflyrods.com/uploads/1/3/1/4/131406807/xamuvuvusuxu-xatizalujoxo.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/1/0428/0070/9791/files/25705798602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0930/9848/files/dimitekitakolese.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9292/6883/files/85751757856.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1673/9222/files/67470720242.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5598/8374/files/2678855990.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4876/2529/files/19359141406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9163/9974/files/teberesevojuzobunikomami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fixasitisajixumazurezeve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6866/1660/files/85512951605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5688/2086/files/kexaxiwadobejememofisa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8476/6620/files/rumavulajogapenibudexuwew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0845/6865/files/45513005218.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0002/1667/files/rugemawapez.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_off00009bf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BF1 | 5060 bytes |
SHA-256: 01f5be52baddb42337cf4838bf2e4f734032a795c2381d423e92e33737ee2538 |
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font_01_sfnt_off0000ad0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD0F | 10180 bytes |
SHA-256: d0414152c56400503e7ec58403d22845f88e8cfe8853f99ab66803b34cad88ab |
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