MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains references to the redirector URL and appears to be part of a link farm designed to drive traffic to potentially harmful sites. 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.cc/pify?keyword=bullet+force+pc+no
- http://lirudaw.kiarashmotarjemi.com/uploads/1/3/1/4/131437532/fc76b13cfeb38.pdf
- http://files.codhead.co.uk/uploads/1/3/1/4/131407067/gusum.pdf
- http://files.dougscove.com/uploads/1/3/0/7/130739986/vafenimon_fewufiwa_babofesux.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/2837/2886/files/new_movies_2018_filmyzilla.pdf
- https://cdn.shopify.com/s/files/1/0436/6496/5782/files/buvejuvavawetopowiwugofa.pdf
- https://cdn.shopify.com/s/files/1/0435/3572/8794/files/kiruxeluvepumuli.pdf
- https://cdn.shopify.com/s/files/1/0430/2848/0154/files/nenabomalumulul.pdf
- https://cdn.shopify.com/s/files/1/0436/4979/4213/files/gobaxinurim.pdf
- https://cdn.shopify.com/s/files/1/0433/0497/6548/files/fowividoxodiwapolosinukod.pdf
- https://cdn.shopify.com/s/files/1/0434/2887/2359/files/vopevufasonizikofefisolad.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3106/files/bolinidaw.pdf
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/fawibobebelogex.pdf
- https://cdn.shopify.com/s/files/1/0434/5013/8784/files/33224149429.pdf
- https://cdn.shopify.com/s/files/1/0440/8829/5576/files/54368208119.pdf
- https://cdn.shopify.com/s/files/1/0434/3005/2005/files/19066658845.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_off000052e0.bin86c79304b81a22ae3825eede88ad9b1912d81000f032b85addef640a50f13abd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52E0 | 4668 bytes |
font_01_sfnt_off000062dd.bind979d61ecf26140e9893a0718a33997339343832868f350dbcd4ec36ab5da54c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62DD | 10016 bytes |
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