MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.com. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the malicious URL, suggesting the intent is to lure the user to a malicious site via a deceptive link farm.
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=punctuation+in+compound+complex+sentences+pdf
- http://files.suenospublicationsllc.com/uploads/1/3/1/4/131453684/2436685f.pdf
- http://kejufifiw.windows8cardgames.com/uploads/1/3/1/6/131607240/9541941.pdf
- http://files.toymayer.com/uploads/1/3/2/7/132740598/2770746.pdf
- http://gavadu.kirstenjoan.com/uploads/1/3/1/4/131453540/5360810.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23651487672.pdf
- https://cdn.shopify.com/s/files/1/0439/6145/0654/files/nizifole.pdf
- https://cdn.shopify.com/s/files/1/0440/4042/1541/files/2020_desi_calendar.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/taridulozomoxekolakinuku.pdf
- https://cdn.shopify.com/s/files/1/0432/8315/3056/files/56855616130.pdf
- https://cdn.shopify.com/s/files/1/0428/2623/6071/files/least_common_multiple_definition.pdf
- https://cdn.shopify.com/s/files/1/0435/4146/3204/files/foraminifera_bentonik.pdf
- https://cdn.shopify.com/s/files/1/0429/7926/2615/files/taloxodavepip.pdf
- https://cdn.shopify.com/s/files/1/0429/8424/3363/files/pathfinder_rime_spell.pdf
- https://cdn.shopify.com/s/files/1/0428/3842/5766/files/wakidirulatilitum.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fokadexowigexavutezirero.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_off00006595.binfee71137f6c8df012962f1194dc0248331c25e9aed57feb178227b11c817c207 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6595 | 5156 bytes |
font_01_sfnt_off00007705.bine3ead675fd1fcd1405bef07aa5af0b8c51b06c7ad5417b8373d6636bbe41dadc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7705 | 9892 bytes |
font_02_sfnt_off000098b8.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98B8 | 4324 bytes |
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