MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing indicating it links to a known malicious redirector. The document body, though heavily obfuscated, also contains the same URL. The presence of numerous other PDF links, many pointing to Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. 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.club/wix?keyword=kaalai+vanakkam+padal
- https://cdn.shopify.com/s/files/1/0432/0120/0288/files/wisdom_books_of_the_bible.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/qasida_burda_sharif_ringtone.pdf
- https://cdn.shopify.com/s/files/1/0452/2721/2957/files/free_beginner_classical_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0429/6173/1743/files/bukijisaj.pdf
- https://cdn.shopify.com/s/files/1/0435/2717/6344/files/58349359948.pdf
- https://cdn.shopify.com/s/files/1/0434/7595/9973/files/jasifelupipodatomamexo.pdf
- https://cdn.shopify.com/s/files/1/0433/0219/1269/files/navpers_1336_3.pdf
- https://cdn.shopify.com/s/files/1/0430/4217/7181/files/beginner_guitar_chord_progressions.pdf
- https://cdn.shopify.com/s/files/1/0431/2458/8701/files/zogebepolujud.pdf
- https://cdn.shopify.com/s/files/1/0428/8957/6607/files/winrar_for_pc_full_version.pdf
- https://cdn.shopify.com/s/files/1/0430/9807/9399/files/78123949161.pdf
- https://static.usrfiles.com/ugd/b8c837_b935ffb06d364bbbab26a4ffbc5f59e0.pdf
- https://static.usrfiles.com/ugd/0cd019_d4e1d6e019d742538f6379c75acce9d6.pdf
- https://static.usrfiles.com/ugd/b8c837_fdfa90182a5d4bc28e25f13ed5d7ec77.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004538.bincecd9fd9ff4a68c0da46277d47f8b11e4b7c7dbd1aa3475253631f4133e4ee74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4538 | 4924 bytes |
font_01_sfnt_off000055e9.bin8ab923703a6cb8420f8fca7bd3ad5728ba4bd58dd88d5cf9a7680080d3c28edf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55E9 | 1908 bytes |
font_02_sfnt_off00005f39.bina47e42d9a44e454cc83e7d2d6e4420b8d8cec2953bead63f02795e1395c08046 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F39 | 12496 bytes |
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