MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, one of which, 'https://ttraff.cc/wix?keyword=what+is+functional+region', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and appears to be a lure related to 'functional region'. The presence of numerous other PDF links suggests a link farm or SEO poisoning attempt, further indicating malicious intent. The ML classifier also strongly flagged this PDF as malicious.
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/wix?keyword=what+is+functional+region
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/97634b_4fb09830244e442384d660d88aed2a88.pdf
- https://static.usrfiles.com/ugd/d01287_772e3e18d6c34df4b13f6f014a9f53ad.pdf
- https://static.usrfiles.com/ugd/756799_bd8d3e3fd57d4cbd8cc6511868a8bf38.pdf
- https://static.usrfiles.com/ugd/a107db_d797e13007a34d42843689ea77b204ad.pdf
- https://static.usrfiles.com/ugd/b8c837_94fecb2c620b4413a075832d1129f03d.pdf
- https://cdn.shopify.com/s/files/1/0428/9898/1030/files/nsfas_application_form_download.pdf
- https://cdn.shopify.com/s/files/1/0437/7070/8129/files/94418852303.pdf
- https://cdn.shopify.com/s/files/1/0435/6263/1326/files/295153622.pdf
- https://cdn.shopify.com/s/files/1/0439/5555/2414/files/africanism_all_stars_love_is_the_answer.pdf
- https://cdn.shopify.com/s/files/1/0435/2488/2583/files/labeling_parts_of_speech_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0434/3955/4727/files/wobizuxuv.pdf
- https://static.usrfiles.com/ugd/e5a943_9d1b9a55eaf144fcb4114d17a542fe9c.pdf
- https://static.usrfiles.com/ugd/de60da_d2270a7a4e554e1bb484607523a58f8b.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_off000068a0.bina7c1e88bc127a1583ad09c94ee547b8cb3664d18c5ee177094347008c918e5a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68A0 | 5156 bytes |
font_01_sfnt_off00007a27.bin840ee38a9fbba76c1e0514e8ecabc18595723d4542f7ad9fb47cbe4e4fa71d40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A27 | 10072 bytes |
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