MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that leads to this redirector. The presence of a large number of external links, many pointing to Shopify, suggests a link farm or SEO poisoning tactic to increase visibility of the 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.com/pify?keyword=data+structures+and+algorithms+online+pdf
- http://dasapidun.thedillybag.net/uploads/1/3/2/8/132816202/3f4e5.pdf
- http://lurun.usaqingshan.com/uploads/1/3/1/3/131380600/1a3f6a01c.pdf
- http://vesiga.anniesullivanband.com/uploads/1/3/1/8/131871740/58bf96355ebc.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60233972239.pdf
- https://cdn.shopify.com/s/files/1/0448/0558/7106/files/pneumonia_adalah.pdf
- https://cdn.shopify.com/s/files/1/0433/3066/6651/files/23442586721.pdf
- https://cdn.shopify.com/s/files/1/0434/9699/7030/files/panda_pop_games_free.pdf
- https://cdn.shopify.com/s/files/1/0430/6419/7273/files/ballade_pour_adeline_piano_sheet_music_free.pdf
- https://cdn.shopify.com/s/files/1/0437/9390/7869/files/kopula.pdf
- https://cdn.shopify.com/s/files/1/0433/4452/7528/files/jolagividen.pdf
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/revimobexejijuwus.pdf
- https://cdn.shopify.com/s/files/1/0444/2878/7878/files/sportster_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/9254/1589/files/greatest_love_of_all_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0428/8810/2051/files/vector_calculus_6th_edition_solutions.pdf
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/zuvabonapopeku.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_off00006135.binc3fa1d7d0bf358cc2b1be688bd37bc77f8267b5f6f82c16b8404ae7a3cec65f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6135 | 5568 bytes |
font_01_sfnt_off000073f4.bin331ee5cfb3ee7a171ecba626b1974c8cf5f8641e5b3de3ff8c5ee9f99b196c8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73F4 | 9432 bytes |
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