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 Shopify domains hosting other PDFs, but one critical link directs to a known malicious redirector. This suggests a link farm or SEO poisoning tactic designed to drive traffic to malicious infrastructure. 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.me/pify?keyword=agar+sal+y+manitol
- http://konog.thestringbean.com/uploads/1/3/1/1/131164239/f8d8cc6.pdf
- http://files.photogenicbaby.com/uploads/1/3/0/9/130969986/8527345.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/four_hour_work_week.pdf
- https://cdn.shopify.com/s/files/1/0429/5901/2006/files/merge_tiff_to.pdf
- https://cdn.shopify.com/s/files/1/0436/1352/0029/files/65863512187.pdf
- https://cdn.shopify.com/s/files/1/0432/0775/3888/files/rajoniretazisudak.pdf
- https://cdn.shopify.com/s/files/1/0427/3248/6823/files/2367942113.pdf
- https://cdn.shopify.com/s/files/1/0435/3314/0127/files/flame_emission_and_atomic_absorption_spectroscopy.pdf
- https://cdn.shopify.com/s/files/1/0429/4151/3894/files/55675279719.pdf
- https://cdn.shopify.com/s/files/1/0437/6831/6055/files/wojexi.pdf
- https://cdn.shopify.com/s/files/1/0435/4582/1338/files/bicycle_suspension_design.pdf
- https://cdn.shopify.com/s/files/1/0429/3787/6639/files/2_forms_of_identification_employment.pdf
- https://cdn.shopify.com/s/files/1/0436/3550/7358/files/24637472987.pdf
- https://cdn.shopify.com/s/files/1/0428/1407/9143/files/safivutuxubiwivox.pdf
- https://cdn.shopify.com/s/files/1/0431/1823/1709/files/62097191168.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_off00004b15.bin4879d9a4ee0f1e3a2ec423fe6b7cab9d0bcd090febae936bcc59ff06bd3d634c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B15 | 5096 bytes |
font_01_sfnt_off00005c5c.bin06d4c43ac3ceced55b0314943e92abd1060ca95fe6ed895c10d33308cbdfd9e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C5C | 10640 bytes |
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