MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic firing indicates that a link within the PDF redirects to known malicious infrastructure via 'ttraff.cc'. The document body, though partially corrupted, contains text related to medical guidelines, likely serving as a lure to disguise the malicious intent. The primary attack pattern involves redirecting users to malicious sites through a deceptive document.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=american+diabetes+association+gestational+diabetes+guidelines+2018
- http://files.devonbatemusic.com/uploads/1/3/1/0/131070212/sigikodina-sozimikaledi-seziguselixu-gexawaj.pdf
- https://cdn.shopify.com/s/files/1/0439/2045/7883/files/82375443144.pdf
- https://cdn.shopify.com/s/files/1/0431/9235/2931/files/dugelul.pdf
- https://cdn.shopify.com/s/files/1/0430/4027/6642/files/podejiwatinujefifukizo.pdf
- https://cdn.shopify.com/s/files/1/0431/0938/4343/files/25637043852.pdf
- https://cdn.shopify.com/s/files/1/0431/8189/9936/files/cambios_fisiologicos_y_psicologicos_durante_el_embarazo.pdf
- https://cdn.shopify.com/s/files/1/0430/9227/9445/files/xokazawaloravexupikorez.pdf
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/video_games_history.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/demajez.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008f8a.bind511e23005a373753527581a71e958cb63c5ddfd1f4bbde25616a063c79f2e5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F8A | 5908 bytes |
font_01_sfnt_off0000a37d.bineece5ca93bf08dfc75cf823e2d1ba78fe2cac06faae5be2b05b4e4e3028642e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA37D | 10616 bytes |
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