MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a critical heuristic for containing malicious redirector links, specifically pointing to 'ttraff.cc'. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly indicated maliciousness. The primary attack pattern involves luring users through these links, likely to a phishing or malware distribution site.
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=kalimba+tabs+17+pdf
- http://files.bureaunl.com/uploads/1/3/0/8/130813546/ee2c885553f.pdf
- http://files.immaculataschool.org/uploads/1/3/1/4/131453247/xutagafuz_tosab.pdf
- http://files.nationalroadchurchofchrist.org/uploads/1/3/1/4/131407194/merote.pdf
- http://files.sligogreenway.com/uploads/1/3/1/4/131407135/retegopifenat.pdf
- http://files.mountweazelorwellgoode.com/uploads/1/3/1/3/131380723/51c6c6441c746.pdf
- https://cdn.shopify.com/s/files/1/0428/8266/2553/files/69390283596.pdf
- https://cdn.shopify.com/s/files/1/0431/6030/5825/files/55536930825.pdf
- https://cdn.shopify.com/s/files/1/0431/0571/4338/files/xetibufulisekurex.pdf
- https://cdn.shopify.com/s/files/1/0434/0622/9654/files/fukuga.pdf
- https://cdn.shopify.com/s/files/1/0430/0655/8359/files/lakosasejodugurifazi.pdf
- https://cdn.shopify.com/s/files/1/0427/9389/4044/files/cerfa_14880.pdf
- https://cdn.shopify.com/s/files/1/0432/8230/1094/files/janawawa.pdf
- https://cdn.shopify.com/s/files/1/0437/5982/9149/files/bodukaneluzobemewumov.pdf
- https://cdn.shopify.com/s/files/1/0427/8072/1311/files/27370060694.pdf
- https://cdn.shopify.com/s/files/1/0432/5897/0280/files/healthy_weight_loss_diet_plan.pdf
- https://cdn.shopify.com/s/files/1/0437/5012/9813/files/94342970656.pdf
- https://cdn.shopify.com/s/files/1/0437/2935/4903/files/52092331737.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_off000070e1.binc63fee6d62b51de73d32f48f2516dfacc861b12966691b7f7d56c7c3317e7884 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70E1 | 5332 bytes |
font_01_sfnt_off00008301.bin02e53c840dd30a24749f30b2344842a5992445191f09832fd1544f3fdb9eaab5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8301 | 9992 bytes |
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