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.cc'. The document body, though heavily obfuscated, contains the same URL and appears to be a lure for a book download. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to obscure the malicious redirector. 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.cc/pify?keyword=mordiendo+manzanas+y+besando+sapos+libro+completo+pdf
- http://files.mommamess.com/uploads/1/3/0/8/130874266/3593379.pdf
- http://files.kiefferphotography.com/uploads/1/3/1/3/131382497/8f3744aabbd7.pdf
- https://cdn.shopify.com/s/files/1/0431/5168/7848/files/9482913122.pdf
- https://cdn.shopify.com/s/files/1/0452/6188/1506/files/apoptosis_y_abscisin_celular.pdf
- https://cdn.shopify.com/s/files/1/0429/9449/9743/files/85535183951.pdf
- https://cdn.shopify.com/s/files/1/0434/3637/6214/files/59246875472.pdf
- http://files.lkois.people.ua.edu/uploads/1/3/0/9/130969146/gerujab.pdf
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/32447473774.pdf
- https://cdn.shopify.com/s/files/1/0429/1185/8855/files/nososogapisisep.pdf
- https://cdn.shopify.com/s/files/1/0440/8272/5029/files/vadaxetusaso.pdf
- https://cdn.shopify.com/s/files/1/0435/1485/5583/files/sample_appeal_letter_for_college_readmission.pdf
- https://cdn.shopify.com/s/files/1/0428/7165/2508/files/zudumugetuberuluzon.pdf
- https://cdn.shopify.com/s/files/1/0434/2457/9736/files/business_plan_proposal_in_ethiopia.pdf
- https://cdn.shopify.com/s/files/1/0430/9961/9492/files/25221633857.pdf
- https://cdn.shopify.com/s/files/1/0431/8252/2528/files/apple_iphone_10.pdf
- https://cdn.shopify.com/s/files/1/0432/2807/0052/files/62532954798.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_off00006dff.bin0abbfb3e33303dbfb27c1bbcf71de3f205b289447d43ced7cb3c0210a9d34dc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DFF | 5600 bytes |
font_01_sfnt_off00008104.bin8d0d3560f346af60afa604ac7e93f51fcd2f9b05c94437dc8df4cbd9258513a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8104 | 11900 bytes |
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