MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link disguised as a free worksheet, which redirects to a known malicious domain (ttraff.cc). The document also hosts a large number of external PDF links, many pointing to Shopify domains, likely as part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a malicious redirector.
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.cc/pify?keyword=free+decisional+balance+worksheet
- http://files.madredeusbs.com/uploads/1/3/1/4/131406036/lufutawolubexeg.pdf
- http://files.inspiring-senses.com/uploads/1/3/0/8/130874189/c90f744112.pdf
- http://mujadu.waggywalksottawa.com/uploads/1/3/1/1/131164250/fewanatanusidawazemu.pdf
- https://cdn.shopify.com/s/files/1/0432/0552/5661/files/tutap.pdf
- https://cdn.shopify.com/s/files/1/0431/8117/9048/files/21790078345.pdf
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/jawibediwij.pdf
- https://cdn.shopify.com/s/files/1/0429/8699/5863/files/zalob.pdf
- https://cdn.shopify.com/s/files/1/0430/3116/7137/files/77937907314.pdf
- https://cdn.shopify.com/s/files/1/0437/2771/6506/files/13169757767.pdf
- https://cdn.shopify.com/s/files/1/0439/4598/4158/files/16289077980.pdf
- https://cdn.shopify.com/s/files/1/0443/8809/0022/files/deziw.pdf
- https://cdn.shopify.com/s/files/1/0438/8113/6296/files/new_janapada_songs_kannada.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_off000086e5.bin8f4b83b84b0822d2c937eb36a9d73a71b7823ce311e64446b66aa48ede969b8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86E5 | 5280 bytes |
font_01_sfnt_off000098dd.bin907afa8e85d9ebee16bf77d3c325ff36ed10d3082dd66011b5f93d5dc2cadc50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98DD | 10880 bytes |
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