MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including a critical redirector link to 'ttraff.cc'. The document body, though heavily obfuscated, contains the same text as the malicious URL, suggesting a lure. The ML classifier strongly flagged this PDF as malicious. The primary attack pattern involves redirecting the user to malicious infrastructure via the embedded links.
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=risk+assessment+theory+methods+and+applications+pdf
- http://files.thetarshnetwork.com/uploads/1/3/1/3/131384583/ba615d8b2ce.pdf
- http://files.waterselementary.org/uploads/1/3/0/9/130969505/9623557.pdf
- http://files.baldmannhumans.com/uploads/1/3/1/4/131438759/3870645.pdf
- https://cdn.shopify.com/s/files/1/0438/9987/9576/files/elite_dangerous_cobra_mk_iii.pdf
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/34704216482.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3789128943.pdf
- https://cdn.shopify.com/s/files/1/0434/8015/4269/files/metotipivulobulajonegar.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/munununexarusod.pdf
- https://cdn.shopify.com/s/files/1/0433/9954/4984/files/90011470871.pdf
- https://cdn.shopify.com/s/files/1/0435/8271/8115/files/5486333475.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/32949338226.pdf
- https://cdn.shopify.com/s/files/1/0431/1613/4562/files/giredesupow.pdf
- https://cdn.shopify.com/s/files/1/0429/0327/3628/files/pafojidifoxazixesubew.pdf
- https://cdn.shopify.com/s/files/1/0431/1787/1255/files/33703077881.pdf
- https://cdn.shopify.com/s/files/1/0446/8133/0841/files/vineland_adaptive_behavior_scale.pdf
- https://cdn.shopify.com/s/files/1/0431/5086/8646/files/el_bestiario_herr_dunkelheit.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_off0000612b.bin0c151e707ea6ba99157462975c21630ca070d1b49a8057405ca85fc7a32fef50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x612B | 5568 bytes |
font_01_sfnt_off00007405.bin02a6e64990c6a3afe2a75764f7803b0b4ffc08a2adb4f55fec628957701672e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7405 | 10772 bytes |
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