MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.com) and then to other PDF files. The ML classifier strongly indicated maliciousness, and the heuristic firings confirm the presence of a malicious redirector and a link farm designed to obscure the true destination. The document body, though heavily obfuscated, contains the URL that triggers the redirection.
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=bootstrap+card+template+example
- http://wixefok.tuftsprintcopy.com/uploads/1/3/1/0/131070934/ae292a0084.pdf
- http://files.blingyourgg.com/uploads/1/3/0/7/130776326/bopetijozitotak.pdf
- https://cdn.shopify.com/s/files/1/0431/7020/1760/files/18961590671.pdf
- https://cdn.shopify.com/s/files/1/0428/3406/7615/files/kupexu.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/34131295529.pdf
- https://cdn.shopify.com/s/files/1/0431/7147/9713/files/undergraduate_commutative_algebra.pdf
- https://cdn.shopify.com/s/files/1/0431/3609/0273/files/lowaniga.pdf
- https://cdn.shopify.com/s/files/1/0429/6507/4086/files/fipujivad.pdf
- https://cdn.shopify.com/s/files/1/0432/1266/9089/files/62035692193.pdf
- https://cdn.shopify.com/s/files/1/0431/5725/8401/files/18066542219.pdf
- https://cdn.shopify.com/s/files/1/0432/2381/0203/files/academic_performance_of_students_with_hearing_impairment.pdf
- https://cdn.shopify.com/s/files/1/0433/4845/9675/files/opera_mini_browser_free_cnet.pdf
- https://cdn.shopify.com/s/files/1/0447/2075/0745/files/naripolu.pdf
- https://cdn.shopify.com/s/files/1/0438/4620/5602/files/rametitozisajoxofe.pdf
- https://cdn.shopify.com/s/files/1/0437/1628/0475/files/vipebipozegetijeripuso.pdf
- https://cdn.shopify.com/s/files/1/0437/6710/3645/files/subnet_mask_for_192._168._0._1.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_off00006344.binda1455133a38382faa2d2de9c9f68ce971378d58f305b0ce96c5cc847ad0b084 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6344 | 5336 bytes |
font_01_sfnt_off00007554.bin9f40ed6c481d338cad05a6f5b7353b2fa43065d9284773953720348bf94f61ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7554 | 9392 bytes |
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