MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a free solutions manual. The link points to `ttraff.com`, a known malicious redirector. The document also contains a large number of external PDF links, many hosted on `cdn.shopify.com`, suggesting a link farm or SEO poisoning tactic to increase visibility. The ML classifier 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=mathematical+statistics+with+applications+7th+edition+solutions+manual+pdf+free
- http://files.australianupholstery.com/uploads/1/3/1/4/131438313/4928499.pdf
- http://files.theproseccoproject.com/uploads/1/3/1/4/131407552/3384683.pdf
- http://files.entotofoundation.org/uploads/1/3/1/6/131606745/21828a2.pdf
- http://files.livingtechniques.com/uploads/1/3/0/8/130874254/xukezogulomafin-lamez-tonofajazofege-poxefis.pdf
- https://cdn.shopify.com/s/files/1/0431/6839/9524/files/butezedudoxadim.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16711599054.pdf
- https://cdn.shopify.com/s/files/1/0432/4042/3592/files/kekogupebiwixoxa.pdf
- https://cdn.shopify.com/s/files/1/0431/3051/9716/files/7162366753.pdf
- https://cdn.shopify.com/s/files/1/0430/6026/5117/files/mekip.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/depusulolunifanilux.pdf
- https://cdn.shopify.com/s/files/1/0429/8647/1587/files/24336587025.pdf
- https://cdn.shopify.com/s/files/1/0434/4433/8854/files/lmao_text_meaning.pdf
- https://cdn.shopify.com/s/files/1/0429/7857/4490/files/xeturupiverug.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_off0000517b.bin7926e65f717f942eb39b2c09d602f83d2ad1ffdf188f570bc5998237872f64f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x517B | 5572 bytes |
font_01_sfnt_off0000646f.bin86fdc6d6d50e32ef0cc3f42a5e55a197623594fd2e74e1315075a5ec8d91bc25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x646F | 10056 bytes |
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