MALICIOUS
152
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 the string 'Caterpillar parts manual pdf' and the malicious URL. This suggests a social engineering lure to trick users into clicking the link, which then redirects to malicious infrastructure.
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=caterpillar+parts+manual+pdf
- http://files.melaninthecity.com/uploads/1/3/1/6/131606803/2215679.pdf
- http://files.shopsaltandpeak.com/uploads/1/3/0/7/130740205/gasosolezox_tigexug_ferojisere.pdf
- http://files.restedbaby.com/uploads/1/3/1/8/131871984/7b4655b1e509.pdf
- https://cdn.shopify.com/s/files/1/0431/0056/9766/files/jukebowevun.pdf
- https://cdn.shopify.com/s/files/1/0435/9585/8088/files/75456981372.pdf
- https://cdn.shopify.com/s/files/1/0434/6868/5464/files/55333638012.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81159011373.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.pdf
- https://cdn.shopify.com/s/files/1/0430/4519/1841/files/59480091171.pdf
- https://cdn.shopify.com/s/files/1/0431/7020/1760/files/percentile_to_z_score.pdf
- https://cdn.shopify.com/s/files/1/0435/3402/4855/files/pdf_to_mp4.pdf
- https://cdn.shopify.com/s/files/1/0437/4636/1505/files/wakiruv.pdf
- https://cdn.shopify.com/s/files/1/0433/5783/1336/files/botaru.pdf
- https://cdn.shopify.com/s/files/1/0431/0790/9781/files/yamaha_htr-_5540.pdf
- https://cdn.shopify.com/s/files/1/0435/7400/1825/files/3449791602.pdf
- https://cdn.shopify.com/s/files/1/0437/3138/6529/files/62189189474.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_off00005e85.bin51073f268b1320c57db106000a27ecface18d5e454fd0f97c59441481af7b655 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E85 | 5092 bytes |
font_01_sfnt_off00006fb8.bin02616c126a01afc716d402da195a98bca6205f0240201993ff7674ffaf9e3464 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FB8 | 10204 bytes |
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