MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and references a 'celebrate recovery participant guide', suggesting a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify, likely for SEO manipulation to increase visibility. The ML classifier strongly indicated maliciousness.
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=celebrate+recovery+participant+guide+1+pdf
- http://files.pederistad.no/uploads/1/3/1/4/131453610/kaloz.pdf
- http://files.lolafrost.net/uploads/1/3/1/4/131437516/nivemojoxidakuf.pdf
- http://files.yoursunshineyoga.com/uploads/1/3/0/7/130775328/45da1e773b746.pdf
- http://files.chardoncommunityactionteam.org/uploads/1/3/1/3/131384018/pugotut-newifuniz.pdf
- https://cdn.shopify.com/s/files/1/0429/2529/3724/files/94071635975.pdf
- https://cdn.shopify.com/s/files/1/0431/0335/5034/files/ranupamojexoke.pdf
- https://cdn.shopify.com/s/files/1/0433/2044/3045/files/dofigufeneduwulowebuku.pdf
- https://cdn.shopify.com/s/files/1/0430/1042/4993/files/vuravaxog.pdf
- https://cdn.shopify.com/s/files/1/0431/0768/0405/files/29101568178.pdf
- https://cdn.shopify.com/s/files/1/0428/7270/1095/files/78457588684.pdf
- https://cdn.shopify.com/s/files/1/0441/4416/5016/files/62805771336.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/zasowexujunazojilufepajob.pdf
- https://cdn.shopify.com/s/files/1/0438/3126/3394/files/43849277197.pdf
- https://cdn.shopify.com/s/files/1/0435/8491/3563/files/gasidupabewalekux.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6133/files/7023727321.pdf
- https://cdn.shopify.com/s/files/1/0428/9980/0217/files/jimun.pdf
- https://cdn.shopify.com/s/files/1/0432/0785/2192/files/dabajisogoxun.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_off00005326.bincfe980f7e99043b23772f16dc6429337705ea6dfda5d6eee5c36815e9a0e5b85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5326 | 5404 bytes |
font_01_sfnt_off000065a3.binf3826d671435ec46dc8a2625425292111604057dd1c97c841011d6c850064344 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65A3 | 10068 bytes |
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