MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains references to the same URL and other PDF files hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier also strongly indicated 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.ru/pify?keyword=amorphous+silicon+solar+cell+pdf
- http://files.backingevents.com/uploads/1/3/1/4/131453329/wefelekawisofesa.pdf
- http://files.supplydeskhavering.com/uploads/1/3/2/6/132695554/e03646db08a217.pdf
- http://mijuseku.columbinepta.org/uploads/1/3/1/0/131070450/dapotudusilufuv-fuganenipexomav-pavuza.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/9444/2145/files/zefesusotuzokupupuraxe.pdf
- https://cdn.shopify.com/s/files/1/0434/0944/0917/files/mopunudinezevizovusazanok.pdf
- https://cdn.shopify.com/s/files/1/0432/0637/7632/files/bitufilavekarowukazemuza.pdf
- https://cdn.shopify.com/s/files/1/0431/6217/3604/files/dipakujokokoxixa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93867881616.pdf
- https://cdn.shopify.com/s/files/1/0429/6956/3290/files/juzidopusiridukepaniza.pdf
- https://cdn.shopify.com/s/files/1/0430/3729/4754/files/87098813031.pdf
- https://cdn.shopify.com/s/files/1/0429/1251/4201/files/fantasia_models_primteen.pdf
- https://cdn.shopify.com/s/files/1/0433/2240/9125/files/dujinumupov.pdf
- https://cdn.shopify.com/s/files/1/0431/4539/6386/files/57003666497.pdf
- https://cdn.shopify.com/s/files/1/0431/4818/1666/files/12746326511.pdf
- https://cdn.shopify.com/s/files/1/0443/1734/3900/files/tinkers_construct_splintering.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_off00007dd2.bin42e6a6cf2c07229ac013e4588dbf21adbde1a246d2e3f59db1b0018ec970dd11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DD2 | 5384 bytes |
font_01_sfnt_off00008ff4.binbd8380fbff4d60b855fbbb6c7e1975501be28b004901fbfc620458bdc20b7701 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FF4 | 10472 bytes |
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