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 multiple embedded links, with a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Another critical heuristic indicates a PDF link farm, with many links hosted on 'cdn.shopify.com'. The document body, though heavily obfuscated, contains the string 'Flask file upload' and the malicious URL 'https://ttraff.com/pify?keyword=flask+file+upload', suggesting a lure related to file uploads. The presence of a visual download button heuristic further supports a deceptive user interaction pattern. The primary attack vector appears to be directing users to malicious or deceptive web content.
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.com/pify?keyword=flask+file+upload In PDF document text
- http://files.fedexreach.com/uploads/1/3/2/6/132696060/raxononederururag.pdfIn PDF document text
- http://files.dkgwa.org/uploads/1/3/1/1/131164474/6795a6cc8faffd.pdfIn PDF document text
- http://files.pylkkanenconsulting.com/uploads/1/3/2/6/132681352/pavixuramo-sunov-kedogotebuluz.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/1/0432/2190/9667/files/jepetuzavogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5104/9370/files/mowawezevulipevofovejog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8750/4294/files/22521551903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3532/0735/files/nerefapogijewika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/52734001708.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/super_minecraft_maker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3384/4119/files/52386449663.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9147/7148/files/dituv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2390/8520/files/95514805045.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4936/9252/files/22594641744.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7128/4135/files/4201993945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6108/3301/files/40350395065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4914/8838/files/zarivoxomezuzigo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0017/6544/files/essentials_of_pathophysiology_study_guide.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_off00009dab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DAB | 4956 bytes |
SHA-256: 9bfcb44cc99728604008901ec7fe1a841580b4d7d1074cd3395918a803090c7a |
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font_01_sfnt_off0000aea5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEA5 | 15628 bytes |
SHA-256: e0c5565696cd8193a841b754007f45d07e5ffe8ebf9c032b8f5d5c24fc897518 |
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