Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee0a41af70cc6680…

MALICIOUS

PDF

40.2 KB Created: 2020-08-24 23:04:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 04bee98e0d51b2101a6bd9618137e8ba SHA-1: a690966342867c67c3843e07164ca9e81d6c73ff SHA-256: ee0a41af70cc6680be61d97e0b2769f079f1b2c8b930191c586c7f6bb8e40bc0
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a mass external link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, limiting the analysis of specific execution chains.

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.cc/pify?keyword=divisoria+shopping+guide
    • http://files.sensoryfriends.com/uploads/1/3/1/4/131406435/pazubofawepadek.pdf
    • http://files.scenicsouthumc.org/uploads/1/3/1/4/131437418/nukavesawozadiz_sikifus_faguzefok.pdf
    • http://dejidipu.thelondongrillclub.co.uk/uploads/1/3/2/6/132682883/f3758.pdf
    • http://jusadu.gavingateway.com/uploads/1/3/1/4/131453459/2cc501.pdf
    • http://koromusud.hipsterleaks.com/uploads/1/3/0/9/130969627/nubadozogawifidenig.pdf
    • https://cdn.shopify.com/s/files/1/0429/1212/0998/files/defedotagufirok.pdf
    • https://cdn.shopify.com/s/files/1/0452/0702/7863/files/economic_life_of_early_vedic_period.pdf
    • https://cdn.shopify.com/s/files/1/0431/8904/3358/files/wujipebivifevitonibe.pdf
    • https://cdn.shopify.com/s/files/1/0438/7173/1880/files/17047151839.pdf
    • https://cdn.shopify.com/s/files/1/0435/1868/9432/files/54016409340.pdf
    • https://cdn.shopify.com/s/files/1/0434/5564/3813/files/pomuv.pdf
    • https://cdn.shopify.com/s/files/1/0432/8590/5576/files/public_administration_notes_for_css.pdf
    • https://cdn.shopify.com/s/files/1/0430/9480/2581/files/historia_de_derechos_humanos_en_mexico.pdf
    • https://cdn.shopify.com/s/files/1/0434/4479/7600/files/wobimipibip.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.

FilenameKindSourceSize
font_00_sfnt_off00005fdb.bin
eaadebeff8125d5b4494af781fcdea6e6530b69fed6db9193aa7a4b58524ddc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FDB 5248 bytes
font_01_sfnt_off000071b7.bin
178d2ba947bae4584630b195bb22a701338b6d48aa754e170778b5fde2eac00d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71B7 10068 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.