MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which points to a known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains the same URL, suggesting a lure to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious.
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/wb?keyword=importance%20of%20cultural%20communication%20pdf
- http://tatipe.woolacombesurflifesavingclub.org/uploads/1/3/1/0/131070420/nogoteberodob.pdf
- http://zidumibom.ausablebrewing.com/uploads/1/3/2/6/132695569/c20dd7be.pdf
- http://xajebima.funom.org/uploads/1/3/1/4/131406082/56a0d58f.pdf
- https://cdn.shopify.com/s/files/1/0429/3672/9766/files/podalugusujem.pdf
- https://cdn.shopify.com/s/files/1/0434/8159/6066/files/98722789626.pdf
- https://cdn.shopify.com/s/files/1/0428/6650/7943/files/oscilloscope_specifications.pdf
- https://cdn.shopify.com/s/files/1/0435/1141/4943/files/vesiri.pdf
- https://cdn.shopify.com/s/files/1/0439/2599/5688/files/diary_rewards_osrs.pdf
- https://cdn.shopify.com/s/files/1/0435/8055/5419/files/ropaxazufinemoxumakok.pdf
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/3811228189.pdf
- https://cdn.shopify.com/s/files/1/0433/2634/1278/files/vuvidivelamis.pdf
- https://cdn.shopify.com/s/files/1/0431/5955/2155/files/8323027269.pdf
- https://cdn.shopify.com/s/files/1/0432/7748/4196/files/how_to_reinstall_graphics_drivers.pdf
- https://cdn.shopify.com/s/files/1/0430/5377/7047/files/epidemiologia_de_la_diabetes_en_mexico_2020.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_off00006003.binc289168323ce7f6452ef35339533650752304c1272ed987ddd2c222a4581d24a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6003 | 5060 bytes |
font_01_sfnt_off00007111.bin786b1b7e90e9a0478f16c30e31ea0b084e9f4e716cd0717357547a9c0d711959 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7111 | 9880 bytes |
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