MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on 'cdn.shopify.com'. The document body, though heavily obfuscated, suggests a lure related to an '8th class physical science textbook pdf'. The ML classifier strongly indicates 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=8th+class+physical+science+textbook+pdf
- http://files.safekidsthurstoncounty.org/uploads/1/3/2/7/132710780/1893354.pdf
- http://files.nhwf.org/uploads/1/3/0/7/130738596/2818766.pdf
- http://files.sfvdt.org/uploads/1/3/1/1/131164052/e5cd9.pdf
- https://cdn.shopify.com/s/files/1/0438/4977/7312/files/45933319447.pdf
- https://cdn.shopify.com/s/files/1/0434/4774/6710/files/jaforabawu.pdf
- https://cdn.shopify.com/s/files/1/0430/0124/9955/files/93187504239.pdf
- https://cdn.shopify.com/s/files/1/0433/0605/7888/files/46772424297.pdf
- https://cdn.shopify.com/s/files/1/0434/7772/9432/files/1401491809.pdf
- https://cdn.shopify.com/s/files/1/0429/8801/1673/files/3192884566.pdf
- https://cdn.shopify.com/s/files/1/0427/7813/2636/files/wejefazurubumaxifi.pdf
- https://cdn.shopify.com/s/files/1/0432/7417/4624/files/fexemavobuxikofefozibewew.pdf
- https://cdn.shopify.com/s/files/1/0430/0354/3715/files/81333942221.pdf
- https://cdn.shopify.com/s/files/1/0429/6690/9081/files/xoxokirajipojex.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/
- https://cdn.shopify.com/s/files/1/0430/0124/99
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007612.bine12c75140314d9fb9f06cdebf8015b06a13c70615f165acf1b5dcaa8ddc78053 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7612 | 5408 bytes |
font_01_sfnt_off0000886d.binf744d6fba26f820e4a443fc45911177c264a6ea2c72ea480764417b6e462b341 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x886D | 5600 bytes |
font_02_sfnt_off00009a7a.bindac1b230d29d3e653e493ac916d915db308696ff723a46f09c02744a499980f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A7A | 9920 bytes |
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