MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF file contains a high number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to a known malicious redirector at "https://ttraff.com/pify?keyword=earwig+fact+sheet". The document body, though heavily obfuscated, contains this URL and references to a "fact sheet", indicating a social engineering lure. The ML classifier strongly flagged this PDF as malicious. The primary attack pattern involves redirecting the user to malicious infrastructure.
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.com/pify?keyword=earwig+fact+sheet
- http://files.sp-arms.com/uploads/1/3/0/7/130776073/1dae08f5004.pdf
- http://files.pendulumhealing.com/uploads/1/3/1/3/131383651/2583091.pdf
- https://cdn.shopify.com/s/files/1/0434/7792/6040/files/cecil_textbook_of_medicine_26th_edition_download.pdf
- https://cdn.shopify.com/s/files/1/0435/3500/7893/files/72462202649.pdf
- https://cdn.shopify.com/s/files/1/0428/9832/5671/files/crazy_frog_song_audio.pdf
- https://cdn.shopify.com/s/files/1/0430/5335/1066/files/functions_of_portfolio_management.pdf
- https://cdn.shopify.com/s/files/1/0436/4750/0448/files/36632636913.pdf
- https://cdn.shopify.com/s/files/1/0433/3735/1326/files/54623359329.pdf
- https://cdn.shopify.com/s/files/1/0435/2802/8312/files/strength_of_materials_interview_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/0204/4316/files/56907995709.pdf
- https://cdn.shopify.com/s/files/1/0434/7366/6213/files/7945904408.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bararilisubolubudikolumo.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_off00006504.bin34c37f25ed6b9d211c91543a9317443302cfd838bb343e8643c2b54baedb78db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6504 | 5160 bytes |
font_01_sfnt_off000076a5.bin9183b89787b9f4e91ed715602dd75c5713632161c6e30c519b254d0d17be7c48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76A5 | 9852 bytes |
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