MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely used to lure victims into a phishing or scam operation. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the primary attack vector appears to be the malicious redirection link.
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=teacher+interview+questions+and+answers
- http://files.livingdemocracy.info/uploads/1/3/1/4/131453484/wurep.pdf
- https://cdn.shopify.com/s/files/1/0429/6887/5157/files/96209823134.pdf
- https://cdn.shopify.com/s/files/1/0435/8481/5263/files/61782862813.pdf
- https://cdn.shopify.com/s/files/1/0433/4478/9669/files/46437219571.pdf
- https://cdn.shopify.com/s/files/1/0433/4023/4902/files/55113667838.pdf
- https://cdn.shopify.com/s/files/1/0436/1073/4755/files/68536943828.pdf
- https://cdn.shopify.com/s/files/1/0437/1460/9305/files/41086477906.pdf
- https://cdn.shopify.com/s/files/1/0428/9321/3852/files/safety_warning_signs.pdf
- https://cdn.shopify.com/s/files/1/0431/6980/8550/files/82622794991.pdf
- https://cdn.shopify.com/s/files/1/0432/7309/3288/files/bezubixavuwaxotupaledafap.pdf
- https://cdn.shopify.com/s/files/1/0435/0597/5462/files/tigray_amharic_dictionary.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000691b.bin609296394099709643cddb67b6eeeaa194c7f322f5279c4306bd95c6a8a9a4e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x691B | 5104 bytes |
font_01_sfnt_off00007a7c.bin040f0f32d5819619ed3e0e593c003c8c62996343a1cdb02ef1ed8996b3fb984e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A7C | 10164 bytes |
font_02_sfnt_off00009d0d.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D0D | 4324 bytes |
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