MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to a link farm hosted on Shopify. One prominent link redirects through 'ttraff.ru', a known malicious redirector, with a query suggesting a lure for 'best parenting books pdf'. The ML classifier strongly indicated maliciousness, and the PDF structure itself is indicative of a link-farming SEO spam campaign.
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/wb?keyword=best%20parenting%20books%20pdf
- http://files.norcalsmartvestorpro.com/uploads/1/3/2/7/132710655/96f0fa3.pdf
- http://files.janetruth.com/uploads/1/3/0/8/130873807/5290ef67497c.pdf
- http://vimepufim.thedailyencounter.org/uploads/1/3/1/3/131380429/6644376.pdf
- https://cdn.shopify.com/s/files/1/0432/6726/0582/files/ginarodoge.pdf
- https://cdn.shopify.com/s/files/1/0437/5255/4657/files/zofenuriwabitomuloras.pdf
- https://cdn.shopify.com/s/files/1/0446/6225/9865/files/nedoruxariboturikomoxo.pdf
- https://cdn.shopify.com/s/files/1/0437/5448/7957/files/63798425086.pdf
- https://cdn.shopify.com/s/files/1/0431/4392/1820/files/likasobajekefe.pdf
- https://cdn.shopify.com/s/files/1/0430/7219/2669/files/69391456435.pdf
- https://cdn.shopify.com/s/files/1/0429/2152/5407/files/brosur_kusen_aluminium_alexindo.pdf
- https://cdn.shopify.com/s/files/1/0435/9825/0146/files/haldol_decanoate_package_insert.pdf
- https://cdn.shopify.com/s/files/1/0431/7764/0092/files/19210278674.pdf
- https://cdn.shopify.com/s/files/1/0431/9323/7665/files/11402211078.pdf
- https://cdn.shopify.com/s/files/1/0432/9675/1771/files/precalculus_with_limits_chapter_7.pdf
- https://cdn.shopify.com/s/files/1/0432/5005/7373/files/al_azkar_imam_nawawi_download.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006646.bin1a63cbbc1b749b66b770d8c6ceaefcbe480f6a954e3b3ab03e545a6077d30e88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6646 | 5428 bytes |
font_01_sfnt_off000078c9.binc681c0ebe9503c502b3c66a9060ba3561ec1ed53c130845065e14156db0f95b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78C9 | 10120 bytes |
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