MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL "https://ttraff.com/pify?keyword=fatty+acid+beta+oxidation+pdf", suggesting a lure to a malicious site. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm indicates an attempt to manipulate search engine results or distribute malicious content.
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=fatty+acid+beta+oxidation+pdf
- http://files.tlakelabs.com/uploads/1/3/1/4/131406478/rutizureduguruboka.pdf
- http://files.drmichelle.me/uploads/1/3/1/1/131163620/tugawujupadisizo.pdf
- http://files.chantillyfarmmerch.com/uploads/1/3/0/8/130813643/3459043.pdf
- https://cdn.shopify.com/s/files/1/0432/5900/3038/files/gapokibumogezulokulegapid.pdf
- https://cdn.shopify.com/s/files/1/0431/3507/4465/files/avast_pro_antivirus.pdf
- https://cdn.shopify.com/s/files/1/0434/4479/7600/files/gasosarubopatoxuxiwovofa.pdf
- https://cdn.shopify.com/s/files/1/0435/7498/4863/files/42030472215.pdf
- https://cdn.shopify.com/s/files/1/0430/0147/9321/files/46442885608.pdf
- https://cdn.shopify.com/s/files/1/0433/8011/3562/files/20871543262.pdf
- https://cdn.shopify.com/s/files/1/0431/1308/7142/files/zijolejotikufoz.pdf
- https://cdn.shopify.com/s/files/1/0430/7147/1767/files/12101450856.pdf
- https://cdn.shopify.com/s/files/1/0434/0334/6078/files/53475464638.pdf
- https://cdn.shopify.com/s/files/1/0435/9343/3246/files/john_deere_l118_parts.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/matam.pdf
- https://cdn.shopify.com/s/files/1/0431/5598/0450/files/ruvodedoxinufibuzewo.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_off00008c2b.bin5e3590bc5f0945f143d380ec6e15913a4d8cfaebbea5cfced2ffafe454db49c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C2B | 5108 bytes |
font_01_sfnt_off00009db2.bin469f3a0476be0c6e0bbe3610c7de1c026f49275a9ad3c6c1b32fe4db49b3f12d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DB2 | 10348 bytes |
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