Malicious PDF — malware analysis report

Static analysis result for SHA-256 affb5402aed75e5c…

MALICIOUS

PDF

66.3 KB Created: 2020-08-12 16:47:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 722c415ab1de610f8db557f4003e619d SHA-1: 93a05ebe817b016b8e33713307b62e628701a0b1 SHA-256: affb5402aed75e5c7b029cc0e80950d753c6f529af8f9017bfa38da48ef890f3
120 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, pointing to 'https://ttraff.cc/pify?keyword=ben+bagdikian+the+new+media+monopoly+pdf'. This indicates a social engineering attempt to trick the user into visiting a malicious site, likely for further exploitation or credential harvesting. The document body, though heavily obfuscated, contains references to the book 'Ben bagdikian the new media monopoly pdf', suggesting a lure to download or access this content. The presence of numerous other Shopify links, while mostly benign, contributes to a link farm pattern.

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=ben+bagdikian+the+new+media+monopoly+pdf
    • http://xarapola.stillmomentsbycarmen.com/uploads/1/3/2/6/132682076/pisafu_nasuriwivij_feforu.pdf
    • http://files.novalitchicks.com/uploads/1/3/1/4/131406985/gepovivex.pdf
    • http://files.henandchickdolls.com/uploads/1/3/2/6/132681576/tixawiwolar-nulakaga-zetufi.pdf
    • http://fejozako.capitolcitytrailers.com/uploads/1/3/2/8/132814930/19910.pdf
    • https://cdn.shopify.com/s/files/1/0431/5552/1695/files/mugufoferukokowajaxakivoz.pdf
    • https://cdn.shopify.com/s/files/1/0432/5382/5694/files/5e_urchin_background.pdf
    • https://cdn.shopify.com/s/files/1/0437/4790/1592/files/53340643214.pdf
    • https://cdn.shopify.com/s/files/1/0435/9290/8963/files/zokumew.pdf
    • https://cdn.shopify.com/s/files/1/0433/0645/1094/files/ruretekejuxadefelu.pdf
    • https://cdn.shopify.com/s/files/1/0436/0486/9277/files/88203214275.pdf
    • https://cdn.shopify.com/s/files/1/0434/6550/6966/files/sakuveraxedeji.pdf
    • https://cdn.shopify.com/s/files/1/0433/4066/0891/files/78367539977.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98629167596.pdf
    • https://cdn.shopify.com/s/files/1/0435/3087/9125/files/js_foreach_object.pdf
    • https://cdn.shopify.com/s/files/1/0432/0601/7185/files/wetematezorolo.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_off0000b6ce.bin
40bf1b9bbc3350ae1eb432c872af450823d41078bf77a19f93bbaf684cc1bb19
pdf-font-stream PDF embedded font (sfnt) at offset 0xB6CE 5416 bytes
font_01_sfnt_off0000c929.bin
3fbb70cc34c427c1eab46eae2a0cce6446d9d6f49db51f3e3198c4cea6a1499a
pdf-font-stream PDF embedded font (sfnt) at offset 0xC929 10680 bytes
font_02_sfnt_off0000edbe.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3
pdf-font-stream PDF embedded font (sfnt) at offset 0xEDBE 4324 bytes