MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious File
The PDF file exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. One critical heuristic identified a link to known malicious redirector infrastructure at 'ttraff.ru'. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the sheer volume of links and the presence of a malicious redirector suggest an attempt to lure users to harmful sites, potentially for phishing or malware distribution.
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/pify?keyword=backyard+baseball+09+pc
- http://fusigebu.ccstudioinc.com/uploads/1/3/1/8/131857334/511eaaa.pdf
- https://cdn.shopify.com/s/files/1/0433/8683/0998/files/7219836754.pdf
- https://cdn.shopify.com/s/files/1/0433/8037/5715/files/koxug.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97897646990.pdf
- https://cdn.shopify.com/s/files/1/0438/2159/6834/files/baaghi_2_movie_video_song_videoming.pdf
- https://cdn.shopify.com/s/files/1/0431/0168/3873/files/d_d_5e_dm_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/7406/8390/files/65505790810.pdf
- https://cdn.shopify.com/s/files/1/0436/2508/7138/files/labview_scada_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0429/7624/7971/files/42407927477.pdf
- https://cdn.shopify.com/s/files/1/0431/7108/6485/files/53145945427.pdf
- https://cdn.shopify.com/s/files/1/0433/7693/5073/files/cystic_fibrosis_adalah.pdf
- https://cdn.shopify.com/s/files/1/0437/2329/2822/files/16827946275.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_off00004dd7.binb295f38db616a57d4d1dc73e71d1f6229f37776adcb9559fdb422804ffdcbdfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DD7 | 5720 bytes |
font_01_sfnt_off00006162.bin24246d8de3bc20e8b32324011fc8e62b2b64b8389084541067e8a0d6fd38757e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6162 | 10592 bytes |
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