MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=system+mechanic+16'. This URL is likely used to redirect users to a malicious download site. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, suggests a link farm intended to improve SEO for malicious content. The ML classifier also 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.cc/pify?keyword=system+mechanic+16
- http://files.dancevibessf.com/uploads/1/3/1/4/131483009/vezajixuwiroti.pdf
- http://gagavifek.thelatestmews.com/uploads/1/3/0/7/130775403/sokax_juzekogut_wolobowazu.pdf
- http://wafotu.simplycheesecakesandmore.com/uploads/1/3/2/3/132303079/2244259.pdf
- http://wafotu.simplycheesecakesandmore.com/upl
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/ppt_template_magazine_cover.pdf
- https://cdn.shopify.com/s/files/1/0463/2828/3291/files/batman_arkham_asylum_bane_transformation.pdf
- https://cdn.shopify.com/s/files/1/0428/1607/7991/files/49047816516.pdf
- https://cdn.shopify.com/s/files/1/0466/3443/4725/files/befogiduxazagafoponi.pdf
- https://cdn.shopify.com/s/files/1/0432/7433/8454/files/samazidezowumurakez.pdf
- https://cdn.shopify.com/s/files/1/0433/2670/1718/files/24505846960.pdf
- https://cdn.shopify.com/s/files/1/0435/8340/6239/files/70595060598.pdf
- https://cdn.shopify.com/s/files/1/0436/4782/8133/files/kiwenelasefakisisew.pdf
- https://cdn.shopify.com/s/files/1/0431/6191/1460/files/gokepizelezabig.pdf
- https://cdn.shopify.com/s/files/1/0432/6653/9673/files/novel_bandung_lautan_api.pdf
- https://cdn.shopify.com/s/files/1/0439/5306/2046/files/days_of_the_week_worksheets_spanish.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_off000077af.bin9115be0ea8f08c8f150089fd676e46b42964c28531e99cbaea885c6fd0b0e833 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77AF | 5324 bytes |
font_01_sfnt_off000089af.bin15738aa1316977387f82e2380ff8e40603c20e7ee36e73e3ba9725c20638d2a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89AF | 10284 bytes |
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