MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. This URL is likely part of a phishing or malware distribution chain. The document body, though heavily obfuscated, also contains this URL. The presence of numerous other links, many hosted on 'cdn.shopify.com', suggests a link farm or SEO poisoning tactic to distribute malicious content. 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=administra%25C3%25A7%25C3%25A3o+da+produ%25C3%25A7%25C3%25A3o+slack+pdf
- http://files.baslerchiro.com/uploads/1/3/0/7/130738970/9533277.pdf
- http://files.wattshappening.org/uploads/1/3/1/8/131857465/4683794.pdf
- http://files.toptierfitnessholland.com/uploads/1/3/1/3/131380771/6147908.pdf
- http://files.episcopalcommonprayer.org/uploads/1/3/0/7/130739628/3163205.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/gasonamudi.pdf
- https://cdn.shopify.com/s/files/1/0434/5721/6678/files/cs_1._6_indir.pdf
- https://cdn.shopify.com/s/files/1/0431/1770/7425/files/xeribikiviwubumu.pdf
- https://cdn.shopify.com/s/files/1/0433/4488/7963/files/25953382966.pdf
- https://cdn.shopify.com/s/files/1/0428/5412/1635/files/30389746506.pdf
- https://cdn.shopify.com/s/files/1/0433/2155/7150/files/sazugofimofuw.pdf
- https://cdn.shopify.com/s/files/1/0438/2919/9005/files/sizofatez.pdf
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/sofajozabujirorinaxugaju.pdf
- https://cdn.shopify.com/s/files/1/0432/1892/7775/files/41978005888.pdf
- https://cdn.shopify.com/s/files/1/0436/1220/9309/files/viwos.pdf
- https://cdn.shopify.com/s/files/1/0431/2200/0029/files/sononefovaxasozovevixuz.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_off0001881e.bind4dad6b2f3aec2e6d9ab5a872da953da8a95a0b4bd132b3d9ebfaf828fbe6c44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1881E | 5856 bytes |
font_01_sfnt_off00019b17.bin6e7a16244dbd2c1507304fe0340f9ecf9b9bf42889dc956d4edc9dd162b3ac03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19B17 | 17804 bytes |
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