MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many of which point to a link farm hosted on Shopify, and one critical link to a known malicious redirector. The document body, though obfuscated, contains text related to a vehicle manual, likely a lure to encourage clicks on the malicious URL. The ML classifier 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/pify?keyword=2018+chevrolet+colorado+z71+owners+manual
- http://files.sgbcpc.com/uploads/1/3/0/9/130969459/rosuzob_vopuvew_pefub.pdf
- http://files.dogoodstore.net/uploads/1/3/2/6/132681342/7860858.pdf
- http://files.allsaintsws.net/uploads/1/3/1/4/131407465/mawitoru.pdf
- http://files.karlrauphotography.com/uploads/1/3/1/3/131379362/7976983.pdf
- http://files.cl-projects-sound-design.com/uploads/1/3/0/9/130969614/sugukosunezalad.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0455/3677/2261/files/32055640173.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/fovotowifu.pdf
- https://cdn.shopify.com/s/files/1/0428/4927/1975/files/asherman_sendromu.pdf
- https://cdn.shopify.com/s/files/1/0432/0958/8897/files/sikavunometumozun.pdf
- https://cdn.shopify.com/s/files/1/0435/5588/1121/files/jukako.pdf
- https://cdn.shopify.com/s/files/1/0437/2224/4246/files/linfoma_de_burkitt_2020.pdf
- https://cdn.shopify.com/s/files/1/0428/2961/1171/files/duluromofivofevopipegewem.pdf
- https://cdn.shopify.com/s/files/1/0433/7372/3800/files/gorupebapikepukujisofefew.pdf
- https://cdn.shopify.com/s/files/1/0431/5555/4470/files/electronic_workbench_tutorial.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_off00005ae7.binaf152b5faa47c3949ad14d0baa7645d5b42cd6b6460ac039f983bb39651d0188 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AE7 | 5884 bytes |
font_01_sfnt_off00006ede.binfff138588cf8afcf50e82b69d3cd8420f78eac7dc2a9aafd606f0050e0c029c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EDE | 10888 bytes |
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