MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final malicious destination. The document also exhibits characteristics of a link farm, with numerous embedded links to external PDFs, many hosted on Shopify. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is part of a phishing or redirection scheme.
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.com/pify?keyword=guided+reading+chapter+book+sets
- http://files.aaroncitti.com/uploads/1/3/0/9/130969476/gegatofisu.pdf
- http://files.dsempoweredlife.com/uploads/1/3/1/6/131636990/6838276.pdf
- http://tekovidi.orlandodeleon.com/uploads/1/3/1/6/131606349/52a45c99afc.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/4855/9004/files/23535403901.pdf
- https://cdn.shopify.com/s/files/1/0430/2408/9242/files/25119272419.pdf
- https://cdn.shopify.com/s/files/1/0438/3444/1885/files/nfl_divisions_map.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nuxekenosagulowagegur.pdf
- https://cdn.shopify.com/s/files/1/0433/1080/9256/files/noruwipudikiku.pdf
- https://cdn.shopify.com/s/files/1/0435/1095/6196/files/befejokiwujiseza.pdf
- https://cdn.shopify.com/s/files/1/0433/5481/6665/files/kuvususijuruto.pdf
- https://cdn.shopify.com/s/files/1/0431/7482/2044/files/malipesuka.pdf
- https://cdn.shopify.com/s/files/1/0428/9649/0655/files/zedubisavofinotisifoxeb.pdf
- https://cdn.shopify.com/s/files/1/0436/4586/2041/files/inter_botany_textbook.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009090.bin554d04835c3dc2b3d0d1b72f11ff8a632cbbf64f36eed48d992a22b04a2b8717 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9090 | 5540 bytes |
font_01_sfnt_off0000a350.bin13ae58b9f7cf530062b533594a3f76798123f28ce90a58701c70f1bca645dc94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA350 | 10560 bytes |
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