Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b2669376a594a2d…

MALICIOUS

PDF

41.4 KB Created: 2020-08-19 12:30:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 606991f0ab011f2cadd7747ac13649d0 SHA-1: 6ca2649105dca48017fadb67ed63f0ce657a6ca2 SHA-256: 3b2669376a594a2d212eac1695475bc89e895208fde020bf5a24ea8e3c50f807
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many pointing to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Darth revan event guide' and the malicious URL, suggesting a lure to a phishing or malware distribution site. No scripts were extracted from this sample.

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.ru/pify?keyword=darth+revan+event+guide
    • http://wojatel.wandaharris.com/uploads/1/3/1/6/131606490/6400324.pdf
    • http://files.dancingthreadsri.com/uploads/1/3/1/8/131856330/tabixuxolusowi.pdf
    • http://vivizerep.crowpeakplace.com/uploads/1/3/1/4/131452821/lerugus-goboban-kazepuzaj-jokosa.pdf
    • https://cdn.shopify.com/s/files/1/0431/2314/6909/files/19637967056.pdf
    • https://cdn.shopify.com/s/files/1/0429/6340/2905/files/difference_between_bioreactor_and_fermentor.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/formato_acta_de_nacimiento_mexico_en_blanco.pdf
    • https://cdn.shopify.com/s/files/1/0434/4230/7239/files/kevin_love_injury_report_rotoworld.pdf
    • https://cdn.shopify.com/s/files/1/0434/3965/3030/files/30_day_ketogenic_diet_plan_free.pdf
    • https://cdn.shopify.com/s/files/1/0438/9086/8379/files/assistive_technology_for_the_blind.pdf
    • https://cdn.shopify.com/s/files/1/0435/8494/6333/files/witepevi.pdf
    • https://cdn.shopify.com/s/files/1/0430/2589/1479/files/google_classroom_tutorial_em_portugues.pdf
    • https://cdn.shopify.com/s/files/1/0437/1762/3957/files/past_simple_present_perfect_exercises_macmillan.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_off0000637f.bin
c8cf5ef3d2c28d2e7d89ea49e3502932cd652b5db34bd89bd44aaf8cd501a473		 pdf-font-stream PDF embedded font (sfnt) at offset 0x637F 4936 bytes
font_01_sfnt_off0000744e.bin
8994d9b4958f43fdfddc17057bc8c426ab9272943941939ebd802348fc5070b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x744E 10796 bytes

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