MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of external links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure at ttraff.ru. This suggests a link farm or redirection tactic to obscure the final malicious destination. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector. No scripts were extracted from this sample.
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=bereavement+therapy+pdf
- http://fezamaxo.alpinecivicclubboard.com/uploads/1/3/1/4/131438641/wuxire.pdf
- http://files.myroncotton.com/uploads/1/3/0/9/130969364/9373256.pdf
- http://files.shaymadden66.com/uploads/1/3/2/7/132740900/zopizudevenap-wabumifir-vefoni.pdf
- http://files.ross-gash.com/uploads/1/3/2/8/132816036/71c1c89accb.pdf
- https://cdn.shopify.com/s/files/1/0433/9433/4869/files/gepuxasedap.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/jezexowi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vemuvuferakodumi.pdf
- https://cdn.shopify.com/s/files/1/0430/4008/0021/files/vedeluporaziwadox.pdf
- https://cdn.shopify.com/s/files/1/0429/9581/0455/files/30343069003.pdf
- https://cdn.shopify.com/s/files/1/0428/7404/4579/files/buwuxawiruwexatepak.pdf
- https://cdn.shopify.com/s/files/1/0432/0329/7438/files/mabiwuz.pdf
- https://cdn.shopify.com/s/files/1/0431/3723/7146/files/purorigekogobukite.pdf
- https://cdn.shopify.com/s/files/1/0436/2059/7922/files/jeropirenixovobetuwaxesa.pdf
- https://cdn.shopify.com/s/files/1/0432/8495/5300/files/tobufino.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_off00007c64.binccc9d99acef4e75c81e905126cf9f48d91238ba096c6a6d8e4c7e56da54f5157 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C64 | 5280 bytes |
font_01_sfnt_off00008e46.bin26cf973d6f4601b581635e727c144e9fa7afa2c8481e97074e8c7d940e26a60a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E46 | 10368 bytes |
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