MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious by a machine learning classifier and contains a critical heuristic firing for a malicious redirector link. This link points to a URL that appears to be part of a link farm, with many other PDFs hosted on Shopify. The document body contains the redirector URL and several other PDF URLs, suggesting a campaign to distribute malicious content or engage in SEO poisoning. No scripts were extracted, but the structure and embedded links strongly indicate a malicious intent to redirect users.
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=brolly+sheet+nz
- http://files.cornhoartist.com/uploads/1/3/1/4/131409498/4701337.pdf
- http://files.wavehogsurfshop.com/uploads/1/3/1/1/131163601/terikefejidibe.pdf
- http://zedurit.arideisland.com/uploads/1/3/1/6/131637257/6756444.pdf
- https://cdn.shopify.com/s/files/1/0428/4035/9068/files/tifetisovudozarapudafolo.pdf
- https://cdn.shopify.com/s/files/1/0434/1547/0245/files/27800355556.pdf
- https://cdn.shopify.com/s/files/1/0429/2873/4375/files/95145836135.pdf
- https://cdn.shopify.com/s/files/1/0431/8930/5501/files/descriptive_grammar_of_pashto_and_its_dialects.pdf
- https://cdn.shopify.com/s/files/1/0447/4689/9607/files/stewart_calculus_8th_edition_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/6424/5925/files/3507183712.pdf
- https://cdn.shopify.com/s/files/1/0435/6512/1695/files/automobile_companies_in_pune_list.pdf
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/60689343326.pdf
- https://cdn.shopify.com/s/files/1/0431/5676/6882/files/30127725211.pdf
- https://cdn.shopify.com/s/files/1/0429/9925/1097/files/etcd_vs_consul.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_off00007bc2.bin10c25095593a97226d91e2e93ec2bb34b6b1985a673e2f9f4cd8c65e1f90cd5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC2 | 4764 bytes |
font_01_sfnt_off00008c01.bin8340b98b686287002cecdb31f756b04a6ec48065dac0b18814962db653edf982 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C01 | 14264 bytes |
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