MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of a link farm. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final destination. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of a malicious redirector and the link farm structure suggest an attempt to manipulate search rankings or distribute 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=mean+median+mode+exercises+with+answers
- http://files.lucygransbury.com.au/uploads/1/3/2/6/132680827/rasivefixavewuni.pdf
- http://files.ahhousecleaning.com/uploads/1/3/1/4/131409200/wivobagukarawafisosa.pdf
- http://files.innovativemhsolutions.com/uploads/1/3/0/7/130739919/ritubu_libunig.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/6628/5480/files/91749032807.pdf
- https://cdn.shopify.com/s/files/1/0431/6453/2900/files/28922606491.pdf
- https://cdn.shopify.com/s/files/1/0434/7923/6774/files/jenut.pdf
- https://cdn.shopify.com/s/files/1/0435/5080/2081/files/step_by_step_bulgarian_language_and_culture_for_foreigners.pdf
- https://cdn.shopify.com/s/files/1/0432/5192/5155/files/ludowevisisupijotizul.pdf
- https://cdn.shopify.com/s/files/1/0437/5265/2951/files/oxford_dictionary_download.pdf
- https://cdn.shopify.com/s/files/1/0428/1987/9068/files/11593953196.pdf
- https://cdn.shopify.com/s/files/1/0437/4183/9511/files/brightsign_xt244.pdf
- https://cdn.shopify.com/s/files/1/0433/9954/4984/files/20758480546.pdf
- https://cdn.shopify.com/s/files/1/0433/4167/6694/files/vibujamaxogimigupini.pdf
- https://cdn.shopify.com/s/files/1/0432/7417/4622/files/wuxewula.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000888b.bin53e633e5c3b70772e06b4685417abe9ca567ed1f4c570289c050bd077d5cb5cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x888B | 5312 bytes |
font_01_sfnt_off00009a81.bina857ec281b6217a567ab6df4217a73b25d5dd88f6fbe2284b6621864f2174637 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A81 | 14248 bytes |
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