Malicious PDF — malware analysis report

Static analysis result for SHA-256 296ed134306a03f5…

MALICIOUS

PDF

43.3 KB Created: 2020-08-24 00:32:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9945a740dbfe983f58c5f1495c54e3d6 SHA-1: f91e979880f907c00850de35f2135396a5ccf71e SHA-256: 296ed134306a03f5089404e980b7856df2f61f4d9cfc95835a538c0b8bebea76
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, including a redirector to the malicious domain ttraff.com. This suggests the document is designed to lead users to external, potentially harmful content. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • Embedded URL info EMBEDDED_URL
    One 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=compliance+data+sheet+aba
    • http://files.bellaluephotography.com/uploads/1/3/0/7/130776327/xotasafulajeros_kuludovunokar_batozomi.pdf
    • https://cdn.shopify.com/s/files/1/0429/3437/0470/files/alcoholism_essay.pdf
    • https://cdn.shopify.com/s/files/1/0431/8091/6893/files/cholesterol_lowering_foods_list.pdf
    • https://cdn.shopify.com/s/files/1/0436/7355/1001/files/rolovigolageg.pdf
    • https://cdn.shopify.com/s/files/1/0433/4023/4902/files/54692276469.pdf
    • https://cdn.shopify.com/s/files/1/0428/1715/9335/files/91472112210.pdf
    • https://cdn.shopify.com/s/files/1/0429/6255/0940/files/3683289982.pdf
    • https://cdn.shopify.com/s/files/1/0435/6141/8913/files/pawevememitepug.pdf
    • https://cdn.shopify.com/s/files/1/0433/2270/4030/files/zutamobapigamune.pdf
    • https://cdn.shopify.com/s/files/1/0433/3774/4534/files/rojujutija.pdf
    • https://cdn.shopify.com/s/files/1/0431/8127/7342/files/tesupabiwafozewu.pdf
    • https://cdn.shopify.com/s/files/1/0434/6429/4557/files/exemple_cahier_de_charge_projet_informatique.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tizerosotusalasebix.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e8a.bin
750dc02d2d332abffd1547a5c19339a117b8567a473d90f2c97b6fee7d53c990		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E8A 5168 bytes
font_01_sfnt_off00006fe4.bin
fa604405da758fca1389d42fa9bdd33a3c4363b2aae21e608b0c90247607952e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FE4 10380 bytes
font_02_sfnt_off000092cd.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92CD 4324 bytes

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