MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, embedding numerous external PDF links, with the primary malicious link pointing to 'ttraff.ru'. The document body contains garbled text but includes the malicious URL and a seemingly unrelated PDF filename, suggesting an attempt to disguise the malicious intent.
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.ru/wix?keyword=1920s+stock+market+game
- https://cdn.shopify.com/s/files/1/0433/3027/3448/files/naruto_arena_apk_free.pdf
- https://cdn.shopify.com/s/files/1/0447/0249/8970/files/audiobook_application_android.pdf
- https://cdn.shopify.com/s/files/1/0438/5089/1424/files/giwizi.pdf
- https://cdn.shopify.com/s/files/1/0429/6451/7023/files/petarexetorexi.pdf
- https://cdn.shopify.com/s/files/1/0437/9354/7424/files/convert_m4b_to_mp3_free.pdf
- https://cdn.shopify.com/s/files/1/0433/5229/3541/files/army_rappel_master.pdf
- https://cdn.shopify.com/s/files/1/0431/4185/7431/files/best_english_to_arabic_dictionary.pdf
- https://cdn.shopify.com/s/files/1/0437/7716/3426/files/fuxosa.pdf
- https://cdn.shopify.com/s/files/1/0449/3679/0171/files/community_acquired_pneumonia_case_study.pdf
- https://static.usrfiles.com/ugd/b8c837_d6ded65ed64640508ddf66f5508659ab.pdf
- https://static.usrfiles.com/ugd/2b25b5_aac3ff8ab4b346daa8863b7d2bd6d0c7.pdf
- https://static.usrfiles.com/ugd/253000_8256aab75ada4a5286f82400d3b36983.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_off00006426.bine360561785297ffab3312807746d32949ca7ab2d975b2c13961434ae31848f09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6426 | 5540 bytes |
font_01_sfnt_off000076e1.bin595c19a09faf6cc69c6a66cc55e2c9a6074928f93306c40e9220a345943da012 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E1 | 10656 bytes |
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