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 pointing to Shopify domains, but one critical link directs to a known malicious redirector infrastructure. The document body, though obfuscated, contains the text 'Que es la troponina pdf', suggesting a lure to trick users into clicking the malicious link. 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.ru/wb?keyword=que%20es%20la%20troponina%20pdf
- http://vubekelu.exceldude.net/uploads/1/3/1/4/131408027/kagafokugokil.pdf
- http://gewobeb.bethany-kalamazoo.org/uploads/1/3/0/7/130775903/kuruvafuzitajodadiko.pdf
- http://vubez.blackmomsstaylifted.com/uploads/1/3/2/7/132741593/fiwatomukofemo.pdf
- http://files.myworklifeharmony.com/uploads/1/3/1/3/131379899/9b28f66f2a.pdf
- https://cdn.shopify.com/s/files/1/0432/3488/5796/files/gilurusimefovi.pdf
- https://cdn.shopify.com/s/files/1/0429/9823/5289/files/city_of_heroes_spines_fire_brute.pdf
- https://cdn.shopify.com/s/files/1/0439/9074/5246/files/ruvazetatobupozugosedinad.pdf
- https://cdn.shopify.com/s/files/1/0428/9980/0217/files/61704657623.pdf
- https://cdn.shopify.com/s/files/1/0438/3657/1808/files/xiginewamobelowalafob.pdf
- https://cdn.shopify.com/s/files/1/0430/7854/9665/files/rilowub.pdf
- https://cdn.shopify.com/s/files/1/0432/2885/6477/files/10708797644.pdf
- https://cdn.shopify.com/s/files/1/0431/4316/8156/files/43664008445.pdf
- https://cdn.shopify.com/s/files/1/0433/9345/0134/files/lakojodevetado.pdf
- https://cdn.shopify.com/s/files/1/0429/2427/7923/files/memaleri.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_off0000ce9b.bin24e0fb6a183ff96b84cfdeb042f4b99f2416b37691d7b22f337cf830223a3aac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE9B | 5096 bytes |
font_01_sfnt_off0000dfff.binbe17e7fd32ac683e25a975628249d077fb4386cbfbbbebe35226aceb6f359da5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFFF | 11488 bytes |
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