MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to a URL that promises a free PDF download. This URL is embedded within the document's body text, suggesting a social engineering lure. The ML classifier also strongly flagged this PDF as malicious. The presence of numerous Shopify URLs, while many are benign, indicates a pattern of hosting content on such platforms for 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.cc/pify?keyword=a+brief+history+of+time+by+stephen+hawking+free+pdf
- http://files.itsallfunandjames.com/uploads/1/3/1/4/131453484/5405921.pdf
- http://files.madlyeclectic.com/uploads/1/3/1/4/131483253/nuwitoduku_xafozovininu_lekilirox_navagad.pdf
- http://files.enermotech.com/uploads/1/3/2/7/132710565/rekoboduxokotiloku.pdf
- http://files.yestojesus.net/uploads/1/3/2/6/132695329/8303317.pdf
- https://cdn.shopify.com/s/files/1/0437/1238/1079/files/52462464822.pdf
- https://cdn.shopify.com/s/files/1/0439/3094/3643/files/bopinosukipopibijobowotib.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gobobuxewinunegurugita.pdf
- https://cdn.shopify.com/s/files/1/0431/1721/5905/files/tuwagudadowibukujazesimus.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30551251375.pdf
- https://cdn.shopify.com/s/files/1/0432/2020/5726/files/27184431149.pdf
- https://cdn.shopify.com/s/files/1/0431/0132/3420/files/24535051282.pdf
- https://cdn.shopify.com/s/files/1/0431/9005/9157/files/survivor_series_1996.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16946396068.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_off0000b68f.bin79fae04838ecd30c37787d37d5a31147866a4587f835cd900a0f46b689c2847f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB68F | 5808 bytes |
font_01_sfnt_off0000ca37.bin488ffee5e9c33bcc1f3f00aec749f35977d0cdd209ffadaee35194d66ecc177d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA37 | 6148 bytes |
font_02_sfnt_off0000da17.bin0b587ef2bab03325ff5e0f62ab3ee9e714c0dd096973f161308d26cd0f9dcbda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA17 | 10260 bytes |
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