MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'ttraff.cc'. It also exhibits a PDF link farm heuristic, containing numerous external PDF links, with the first being a Shopify-hosted PDF. The ML classifier strongly indicates maliciousness. The document body contains the redirector URL and other PDF links, suggesting an attempt to direct users to malicious content.
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=2nd+line+us+number+app
- http://files.castletonkids.com/uploads/1/3/1/0/131070619/fd9df01b.pdf
- http://files.preserveatspringknoll.com/uploads/1/3/1/3/131379040/5439033.pdf
- http://files.cyclingcapecod.com/uploads/1/3/1/3/131398250/821735aa4833.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0429/2490/0515/files/kepugaxezusuwafamukovogo.pdf
- https://cdn.shopify.com/s/files/1/0432/5572/6238/files/amon_amarth_discography_rar.pdf
- https://cdn.shopify.com/s/files/1/0438/8156/2280/files/bogipuzasafikevatoz.pdf
- https://cdn.shopify.com/s/files/1/0431/2737/3990/files/wwdc_2015_dates.pdf
- https://cdn.shopify.com/s/files/1/0432/5844/5979/files/2011_chevy_cruze_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/7482/9987/files/95299551791.pdf
- https://cdn.shopify.com/s/files/1/0431/0233/9232/files/mafalemigifariji.pdf
- https://cdn.shopify.com/s/files/1/0437/1300/3674/files/gaxiti.pdf
- https://cdn.shopify.com/s/files/1/0435/7813/0593/files/6704686356.pdf
- https://cdn.shopify.com/s/files/1/0439/4346/1032/files/88305737613.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004e55.bin27e8ac74f9bf8b4f9a45a2f8dc2dad47bf038eeefe76e8e824cd14fd2ed55b41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E55 | 4972 bytes |
font_01_sfnt_off00005ef7.binf581dff613a162fc1661c888a2fc971c6a674d57ce787f88a48ca52cd6762585 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EF7 | 10352 bytes |
font_02_sfnt_off00008255.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8255 | 4324 bytes |
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