MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. This suggests a link farm or SEO poisoning tactic designed to lead users to malicious infrastructure. The ML classifier strongly supports the malicious verdict.
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=patogenesis+keratosis+seboroik+pdf
- http://files.energizeri.org/uploads/1/3/0/7/130775753/9636668.pdf
- http://wemito.custombarrelworks.com/uploads/1/3/0/7/130739695/sureka.pdf
- http://files.deiduemondi.com/uploads/1/3/2/6/132682204/fazasebusav-dipozosegil.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6718/7108/files/tmux_open_session.pdf
- https://cdn.shopify.com/s/files/1/0435/4008/6935/files/hymns_made_easy.pdf
- https://cdn.shopify.com/s/files/1/0432/4337/2703/files/nitrogenous_fertilizers.pdf
- https://cdn.shopify.com/s/files/1/0428/3678/7356/files/tijekolef.pdf
- https://cdn.shopify.com/s/files/1/0430/9617/8845/files/16821349941.pdf
- https://cdn.shopify.com/s/files/1/0428/3380/5471/files/98952619126.pdf
- https://cdn.shopify.com/s/files/1/0436/8780/5081/files/adjustment_letter_examples.pdf
- https://cdn.shopify.com/s/files/1/0437/3685/8776/files/gixinopomoxomafun.pdf
- https://cdn.shopify.com/s/files/1/0464/7560/8214/files/zanewereburuda.pdf
- https://cdn.shopify.com/s/files/1/0431/0722/1658/files/mexufudamabezalibido.pdf
- https://cdn.shopify.com/s/files/1/0440/5297/1685/files/vipiwuv.pdf
- https://cdn.shopify.com/s/files/1/0436/3337/7440/files/new_south_movie_in_hd.pdf
- https://cdn.shopify.com/s/files/1/0438/9083/5624/files/diguzidezetaxumikuvulod.pdf
- https://cdn.shopify.com/s/files/1/0466/3443/4725/files/78686729417.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_off000070d5.bine0b2fae8529cfb17958793bd563f065d01cd617f865c4f23d7749f98d2210d64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70D5 | 5380 bytes |
font_01_sfnt_off00008327.binbd5edcf15f15e7ba5e3a4d1ef957436b8fae3530d2faec2393b3af5f7b8b36b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8327 | 10432 bytes |
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