MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious File
The PDF contains numerous links to external websites, many of which are hosted on Shopify and appear to be part of a link farm designed to manipulate search engine results. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which likely serves as the initial stage for delivering further malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=twinkle+twinkle+little+star+lyrics+pdf
- http://files.collegesite.com/uploads/1/3/2/6/132681954/sagipadagovo.pdf
- http://files.travelingsauna.com/uploads/1/3/0/8/130813357/zowug_xonobatisobarov.pdf
- http://files.devcaribe.com/uploads/1/3/2/6/132681560/xezutuk_mitafatevej_garodudopaboja_pajepepoziwer.pdf
- http://files.companionsofchrist.org/uploads/1/3/0/9/130969375/3234800.pdf
- https://cdn.shopify.com/s/files/1/0430/3273/9989/files/bidopiroxekapivi.pdf
- https://cdn.shopify.com/s/files/1/0427/8986/3580/files/98438965733.pdf
- https://cdn.shopify.com/s/files/1/0431/8488/1824/files/79288618312.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/84407481133.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97697777452.pdf
- https://cdn.shopify.com/s/files/1/0431/5247/4267/files/xenuwojiwulunowitusasiz.pdf
- https://cdn.shopify.com/s/files/1/0432/8561/0654/files/sogeze.pdf
- https://cdn.shopify.com/s/files/1/0437/4393/6673/files/44349660571.pdf
- https://cdn.shopify.com/s/files/1/0430/1553/6793/files/39301416066.pdf
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/ropizemoxu.pdf
- https://cdn.shopify.com/s/files/1/0430/5063/1319/files/87360258810.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ab8.bin7273c0920923df74129f39c372ac0e539218ab57da40f634ffd8d16c2ac94dcb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB8 | 5036 bytes |
font_01_sfnt_off00007bf4.bine7b8d041f2a3a9940babd7a352155988f091da6fd7c8e36ac42c0da0dd4d51f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BF4 | 9912 bytes |
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