MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing indicating a malicious redirector link. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=bobrick+grab+bars+pdf', which is also listed as a malicious redirector. The presence of numerous links to Shopify-hosted PDFs suggests a link farm or SEO poisoning technique to disguise malicious intent. 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=bobrick+grab+bars+pdf
- http://files.ymcalift.com/uploads/1/3/0/7/130740193/8f07a4b24.pdf
- http://jafoja.fantasticalfaces.com/uploads/1/3/1/8/131856543/6552886.pdf
- http://files.jewelrybytraditions.com/uploads/1/3/1/6/131607712/nuredixotudej.pdf
- http://files.pattibounds.com/uploads/1/3/1/4/131453684/begidosut-xukobopajini.pdf
- https://cdn.shopify.com/s/files/1/0433/6618/7176/files/giant_egg_classic_wow.pdf
- https://cdn.shopify.com/s/files/1/0431/7744/3483/files/muwefumabatid.pdf
- https://cdn.shopify.com/s/files/1/0435/5633/9871/files/4534375854.pdf
- https://cdn.shopify.com/s/files/1/0431/7921/2960/files/delete_commits_github.pdf
- https://cdn.shopify.com/s/files/1/0439/2806/0059/files/zabatoxurovomadibog.pdf
- https://cdn.shopify.com/s/files/1/0432/4674/7803/files/nibinilawinulizuju.pdf
- https://cdn.shopify.com/s/files/1/0434/0488/6166/files/84724752611.pdf
- https://cdn.shopify.com/s/files/1/0436/1460/1378/files/kabeniso.pdf
- https://cdn.shopify.com/s/files/1/0449/5550/0712/files/dan_abnett_pariah.pdf
- https://cdn.shopify.com/s/files/1/0433/1700/2405/files/puribibifidofipaso.pdf
- https://cdn.shopify.com/s/files/1/0436/4845/0718/files/fikopupejup.pdf
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/52740229003.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_off00004c09.bindb21d292da34ddb4b49eddde8cb1eef4f96d42724512a46f8230b79a378446e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C09 | 5544 bytes |
font_01_sfnt_off00005ef6.bina393fbb928dbf8546e0b4c0effe13c947fd8beb7eada2f76432ae58f42b22976 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EF6 | 10212 bytes |
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