MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically the URL https://ttraff.ru/pify. Additionally, the document body contains the same URL, suggesting it's the primary lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a potential SEO link farm or a method to obscure the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
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=wajah+bandung+tempo+doeloe+pdf
- http://zenakiv.vrm365.com/uploads/1/3/1/4/131406082/1987772.pdf
- http://files.oklahomaliteracy.org/uploads/1/3/1/6/131606758/294c42da0.pdf
- http://pofadiva.jwhitneyart.com/uploads/1/3/0/7/130775565/2726583.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/3297/5272/files/11646643389.pdf
- https://cdn.shopify.com/s/files/1/0437/4488/6936/files/chemistry_lab_book.pdf
- https://cdn.shopify.com/s/files/1/0429/4826/4089/files/veronica_mars_book_1.pdf
- https://cdn.shopify.com/s/files/1/0432/6762/1028/files/tapiwibopovoviwuxowodu.pdf
- https://cdn.shopify.com/s/files/1/0430/7012/8277/files/88414959649.pdf
- https://cdn.shopify.com/s/files/1/0427/9818/6652/files/koguzivepo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/libutufisolefod.pdf
- https://cdn.shopify.com/s/files/1/0431/5440/7580/files/redok.pdf
- https://cdn.shopify.com/s/files/1/0427/4513/5260/files/linek.pdf
- https://cdn.shopify.com/s/files/1/0432/7853/2774/files/caste_list_in_ap.pdf
- https://cdn.shopify.com/s/files/1/0430/7727/1703/files/zabakazuvegaliboburajil.pdf
- https://cdn.shopify.com/s/files/1/0429/5147/5351/files/message_in_a_bottle_book_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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007a24.bineb4f88ff934f9d781ae122d6df96303d4b9cd6c8cd0695ea334049297a9070ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A24 | 5412 bytes |
font_01_sfnt_off00008c79.bin6d54bd5769999249c941c1ea3fa25e747f8da24aa51b602450a82f89b7279c8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C79 | 10480 bytes |
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