MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with a critical heuristic identifying a malicious redirector URL. The document body, though heavily obfuscated, contains the string 'Sec cert format' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the malicious destination. The primary malicious URL is https://ttraff.cc/pify?keyword=sec+cert+format, which is used to redirect the user.
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/pify?keyword=sec+cert+format
- http://files.dthaikitchenthornwoodny.com/uploads/1/3/0/7/130740571/294b828.pdf
- http://kikid.skinsationalbylaura.com/uploads/1/3/1/1/131164250/9378003c4c.pdf
- http://files.amberschamel.com/uploads/1/3/2/6/132683142/mukeleko_zetofagifirim_xemigutixum.pdf
- http://files.carnegiereiki.com/uploads/1/3/2/6/132695543/guropixatesusam-felig.pdf
- https://cdn.shopify.com/s/files/1/0448/2777/1040/files/14457143353.pdf
- https://cdn.shopify.com/s/files/1/0434/4784/5021/files/interlinear_bible_hebrew_english.pdf
- https://cdn.shopify.com/s/files/1/0437/0749/8647/files/multiplication_of_algebraic_expressions_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0437/3820/2273/files/death_penalty_argumentative_essay_against.pdf
- https://cdn.shopify.com/s/files/1/0433/9325/3526/files/90092404925.pdf
- https://cdn.shopify.com/s/files/1/0434/4204/5090/files/xigetidixodigozima.pdf
- https://cdn.shopify.com/s/files/1/0431/0319/1194/files/dragonball_z_flashgame.pdf
- https://cdn.shopify.com/s/files/1/0430/2772/6489/files/antonyms_list_with_meaning_a_to_z.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.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_off0000a953.bina67120d20428256215742c38f6611852fb8afa9a555803113df8481be6310ac7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA953 | 4920 bytes |
font_01_sfnt_off0000b9f0.binc34f894059bc747bac323e382760d36d6a086da77559c23e9cf37e7ac66e8aeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9F0 | 10312 bytes |
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