MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is further supported by a PDF link farm heuristic. The primary malicious URL, 'https://ttraff.cc/pify?keyword=problem+solving+strategies+pdf', is embedded within the document and likely serves as the initial lure. The document body, though heavily obfuscated, contains references to this URL and other Shopify-hosted PDFs, suggesting a campaign to distribute malicious content disguised as legitimate documents.
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=problem+solving+strategies+pdf
- http://files.skillscout.com/uploads/1/3/1/6/131607544/8873428.pdf
- http://files.susannahnix.com/uploads/1/3/0/9/130969306/sadegazulobedup.pdf
- http://files.cradkilodney.com/uploads/1/3/1/4/131437402/buzanativubezad-nosup-kanulib.pdf
- https://cdn.shopify.com/s/files/1/0431/3081/4626/files/gumawenarig.pdf
- https://cdn.shopify.com/s/files/1/0432/9567/0432/files/85356159906.pdf
- https://cdn.shopify.com/s/files/1/0434/4722/2422/files/kopagixowefurimevufor.pdf
- https://cdn.shopify.com/s/files/1/0432/7079/9510/files/zazederutuzenejupi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwizesovipijekugufex.pdf
- https://cdn.shopify.com/s/files/1/0431/9785/7954/files/koraxafexa.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6141/files/leriwepomuniletedajawev.pdf
- https://cdn.shopify.com/s/files/1/0434/1094/8254/files/kegotarerufazudemami.pdf
- https://cdn.shopify.com/s/files/1/0433/3164/9689/files/anisio_teixeira_biografia.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_off00009dd8.bina3ead627675f379922a17202f20e3befe4b809b0637621db05a6153bf4119370 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DD8 | 5560 bytes |
font_01_sfnt_off0000b0a8.binb5a8e930ac0898af0b695b0d1bfac6bf9dca99de2bc81aabe698bc440bb4ecb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0A8 | 10088 bytes |
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