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. This indicates the document's primary purpose is to redirect the user to a malicious site. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify domains. The ML classifier strongly supports the malicious verdict.
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/wb?keyword=microcontroller%20types%20and%20applications%20pdf
- http://files.florinsquare.com/uploads/1/3/0/9/130970022/468fd57b6d458.pdf
- http://files.msrozi.com/uploads/1/3/2/7/132710638/6956291.pdf
- https://cdn.shopify.com/s/files/1/0437/1503/5290/files/94361511798.pdf
- https://cdn.shopify.com/s/files/1/0429/6704/0154/files/nozufoj.pdf
- https://cdn.shopify.com/s/files/1/0428/4963/2412/files/70051892591.pdf
- https://cdn.shopify.com/s/files/1/0432/1024/4256/files/classroom_objects_in_english.pdf
- https://cdn.shopify.com/s/files/1/0427/8065/5775/files/zuwaw.pdf
- https://cdn.shopify.com/s/files/1/0438/0193/6033/files/bubble_shooter_apk_file.pdf
- https://cdn.shopify.com/s/files/1/0432/3124/8541/files/jivuxuralavubazutub.pdf
- https://cdn.shopify.com/s/files/1/0435/5771/6117/files/36772329528.pdf
- https://cdn.shopify.com/s/files/1/0432/3010/1668/files/57976332002.pdf
- https://cdn.shopify.com/s/files/1/0435/2344/0799/files/viludev.pdf
- https://cdn.shopify.com/s/files/1/0428/3239/6447/files/96603124096.pdf
- https://cdn.shopify.com/s/files/1/0430/3162/5882/files/4960450398.pdf
- https://cdn.shopify.com/s/files/1/0431/5679/9648/files/clinical_pharmacy_and_therapeutics_free_download.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_off0000772b.bin8e1878c8f49ea77d4be58bff150d1b81373e4e5845f1faa7bd47abe8deda7182 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x772B | 5256 bytes |
font_01_sfnt_off00008921.bina8d6d7809b07d1a6ad79fe0e471bdafddb87f2da5641c828d818aa271c41ae0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8921 | 10092 bytes |
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