MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Addends
T1059.001 PowerShell
The PDF contains a large number of embedded links, identified as a link farm. One of the primary links, 'https://ttraff.ru/pify?keyword=sap+hana+bw+hierarchy', is flagged as a malicious redirector. The document body is heavily obfuscated but contains references to the redirector URL and other Shopify-hosted PDF files, suggesting a coordinated effort 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.ru/pify?keyword=sap+hana+bw+hierarchy
- http://files.harnesslead.com/uploads/1/3/1/4/131407089/tumimetelex.pdf
- https://cdn.shopify.com/s/files/1/0433/6861/1989/files/tutadepu.pdf
- https://cdn.shopify.com/s/files/1/0428/4583/1335/files/bomutenabubuperoxoros.pdf
- https://cdn.shopify.com/s/files/1/0435/2979/7787/files/24018102728.pdf
- https://cdn.shopify.com/s/files/1/0461/8148/2650/files/dogasazagiwifulipoza.pdf
- https://cdn.shopify.com/s/files/1/0434/4958/1730/files/wigebagatifapeb.pdf
- https://cdn.shopify.com/s/files/1/0429/7365/9290/files/zuvosiviri.pdf
- https://cdn.shopify.com/s/files/1/0437/5746/9845/files/chronic_alcoholism_treatment_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0438/9391/5800/files/tutumako.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xarapidarobumebavo.pdf
- https://cdn.shopify.com/s/files/1/0431/1223/5174/files/alcatel_u5_user_manual.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_off000067e4.bin1a3bb2b26ec1a79a95df73be1ca465fc4b985e043bfe88cd88917547f599d8f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67E4 | 5248 bytes |
font_01_sfnt_off000079c5.bind98b0311712175c4161d94f7d26ee5325febeecbd47bd9c03afe22a899c38542 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79C5 | 10676 bytes |
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