MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains references to 'training certificate format pdf' and the malicious URL, suggesting a lure. The presence of numerous embedded links, many pointing to Shopify domains, further supports the SEO-based link farm tactic. 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.com/pify?keyword=training+certificate+format+pdf
- http://files.bostoncleaning.coop/uploads/1/3/1/4/131483267/05003a1.pdf
- http://files.rachelzamzow.com/uploads/1/3/0/7/130775016/04b1b0f6b99ce.pdf
- http://files.angelwolfcomics.com/uploads/1/3/0/7/130776131/vafugaxug.pdf
- https://cdn.shopify.com/s/files/1/0431/6649/8965/files/furujibirosi.pdf
- https://cdn.shopify.com/s/files/1/0427/7328/2983/files/65439774558.pdf
- https://cdn.shopify.com/s/files/1/0433/2997/8526/files/46227840473.pdf
- https://cdn.shopify.com/s/files/1/0427/9438/5575/files/vajijonofilitizemago.pdf
- https://cdn.shopify.com/s/files/1/0432/7381/4171/files/tewevosuzeriwejuje.pdf
- https://cdn.shopify.com/s/files/1/0431/9975/8498/files/canara_bank_online_account_opening_form.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78030006053.pdf
- https://cdn.shopify.com/s/files/1/0432/8564/3420/files/besedavazuvakalapewuduv.pdf
- https://cdn.shopify.com/s/files/1/0432/8341/5204/files/2008_ford_edge_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/9228/6363/files/4136007129.pdf
- https://cdn.shopify.com/s/files/1/0428/9573/6988/files/48465682301.pdf
- https://cdn.shopify.com/s/files/1/0429/5547/3059/files/reguxenixamujataxoge.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_off00009fff.bin43c06c0b28ece1abf224d8d9cb5c5bc23d7e5d4d66024b6c4b1fa9d0d3cbad0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FFF | 5216 bytes |
font_01_sfnt_off0000b1ab.bin6e4cdb2f4ba93dd472810660de9c9b341219184e04950944180f588d14dbd538 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1AB | 10740 bytes |
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