MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a 'climbing guide book' and includes the malicious URL, suggesting a social engineering lure. The ML classifier also strongly indicated maliciousness.
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=wichita+mountains+climbing+guide+book
- http://durow.riveflowyoga.com/uploads/1/3/1/4/131454950/buzifusalatapos-zeliwirabejepe-fepemaletotedet-gupozitoxuwep.pdf
- https://cdn.shopify.com/s/files/1/0436/0149/4179/files/20487352658.pdf
- https://cdn.shopify.com/s/files/1/0437/3331/9831/files/gatamewefifekewote.pdf
- https://cdn.shopify.com/s/files/1/0428/3459/1907/files/44888556167.pdf
- https://cdn.shopify.com/s/files/1/0439/8897/5774/files/monthly_income_expense_sheet_excel.pdf
- https://cdn.shopify.com/s/files/1/0433/1978/7675/files/abby_finereader_convert_to_word_online.pdf
- https://cdn.shopify.com/s/files/1/0437/5488/1175/files/juxujejasokejane.pdf
- https://cdn.shopify.com/s/files/1/0432/7643/5621/files/gulazeki.pdf
- https://cdn.shopify.com/s/files/1/0430/0334/7098/files/suzevuw.pdf
- https://cdn.shopify.com/s/files/1/0431/8468/5224/files/33396670459.pdf
- https://cdn.shopify.com/s/files/1/0428/2423/7212/files/bioenergetics_slideshare.pdf
- https://cdn.shopify.com/s/files/1/0432/5936/3478/files/dinozedolara.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007094.bind4f12e332bdc9f73711931607d6dc1340ae1bff1f4b0640c3f17f0d584c12d57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7094 | 5356 bytes |
font_01_sfnt_off000082ad.bince56e354898110dcca36c734fca090aed1b19b88ee13ed2084566b8ee6ff2416 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82AD | 10512 bytes |
font_02_sfnt_off0000a69f.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA69F | 4324 bytes |
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