MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm, with many links pointing to Shopify domains, suggesting an attempt to obscure the true malicious destination. The document body, though heavily obfuscated, contains the malicious URL and a benign-looking title, 'Tello ryze user manual', which serves as a lure. The presence of a QR code lure heuristic further supports the phishing pretext.
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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.com/wb?keyword=tello%20ryze%20user%20manual In PDF document text
- http://files.quieteroahu.com/uploads/1/3/2/6/132681476/6646347.pdfIn PDF document text
- http://files.gofitmama.com/uploads/1/3/1/4/131453543/rivalodewikisavar.pdfIn PDF document text
- http://files.valourmartialarts.com/uploads/1/3/2/6/132696351/kopolebefupix-suwadenugowaxuz-bofaneriniwog-lomokosatag.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/1/0437/0612/2393/files/blitzscaling_reid_hoffman.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8070/4405/files/memesugapofekodunopotoxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4865/7318/files/zalugasiwuxivazunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0673/0144/files/cido_rico_dieta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9436/7644/files/gmo_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5930/5877/files/pazezapagopeletut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8468/3166/files/bipoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5300/6494/files/97147580716.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1543/0559/files/13699624930.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6728/5410/files/54977781829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0638/5558/files/gigiwajap.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_off0000ad3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD3C | 4688 bytes |
SHA-256: d676efdb2af759257d6fdb73ab92a65ec39464efbd3e0ced19e9176dc5d7df2b |
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font_01_sfnt_off0000bd0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD0B | 11628 bytes |
SHA-256: 6effe7acbcc3f9a75d9c384fbd5313a9a712713ae766a0cb3867d0bb3044b132 |
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font_02_sfnt_off0000e41a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE41A | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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