Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5228a13464eba58…

MALICIOUS

PDF

39.2 KB Created: 2020-08-28 11:19:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 25d96f27161d74fac91242a2605d790d SHA-1: 1fc860418d81093ca20966f9885f2a14e9b73ab0 SHA-256: e5228a13464eba5844eb493fc60ea1314b397fa304e577b42d9da31ca41b886a
130 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a '2007 suzuki forenza repair manual free' download. This link points to 'ttraff.cc', a known malicious redirector. The document also functions as a link farm, directing users to multiple PDFs hosted on Shopify, likely to improve search engine ranking and obscure the malicious intent. The presence of a visual download button further supports the lure.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=2007+suzuki+forenza+repair+manual+free
    • http://nozekape.martinreynoldsopticians.co.uk/uploads/1/3/0/7/130739046/sofezenovak_wirerokijaxeso_zitevu.pdf
    • http://files.charlesadeandrade.com/uploads/1/3/1/4/131437689/fobemanafotaxox-xujesuxodogu-bixevuvivujaboj-kurasad.pdf
    • http://files.ibmc-la.org/uploads/1/3/0/8/130873758/5e040c2.pdf
    • http://files.clevelandbouncer.com/uploads/1/3/0/7/130740490/pokewedudinaxuj.pdf
    • https://cdn.shopify.com/s/files/1/0437/9512/0289/files/pudegitomejixa.pdf
    • https://cdn.shopify.com/s/files/1/0427/3651/7286/files/90622489163.pdf
    • https://cdn.shopify.com/s/files/1/0434/2261/3655/files/96247834297.pdf
    • https://cdn.shopify.com/s/files/1/0430/7661/6346/files/20294394521.pdf
    • https://cdn.shopify.com/s/files/1/0429/8326/0314/files/emotional_development_in_preschoolers.pdf
    • https://cdn.shopify.com/s/files/1/0429/5399/8502/files/lugivetex.pdf
    • https://cdn.shopify.com/s/files/1/0429/2666/9987/files/japeberoximowosovuvetebur.pdf
    • https://cdn.shopify.com/s/files/1/0435/1619/9064/files/jiwiwexedixotewusen.pdf
    • https://cdn.shopify.com/s/files/1/0439/1983/5304/files/setiwibexolalubeni.pdf
    • https://cdn.shopify.com/s/files/1/0460/3959/7220/files/programa_de_honores_ala_bandera_en_preescolar.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_off00005a3d.bin
3bffb3825cfb20a16eaa3e82c9840435c60614e4c1b6be7c2949d7ea2f00783f
pdf-font-stream PDF embedded font (sfnt) at offset 0x5A3D 5420 bytes
font_01_sfnt_off00006c97.bin
15309f8933973da18fd4284fa056044fb8d5e8633140dd6c252d79ddf1ce7cdc
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C97 10364 bytes