Malicious PDF — malware analysis report

Static analysis result for SHA-256 3adedad4ac430236…

MALICIOUS

PDF

45.3 KB Created: 2020-08-21 17:52:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4ccd7809e7a51d9be19d3233b35c7670 SHA-1: b407756433362b4379ec026c4f9973c019c7723d SHA-256: 3adedad4ac430236d1086b805afa592501619276e7dba3b1c835841a4f8cee50
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link and a large number of external links, suggesting a link farm or phishing attempt. The document body, though partially corrupted, contains text related to 'video facebook' and a call-to-action phrase, reinforcing the lure. The primary malicious IOC is the ttraff.com redirector URL, which is likely used to funnel victims to a malicious site.

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.com/pify?keyword=h%25C6%25B0%25E1%25BB%259Bng+d%25E1%25BA%25ABn++video+facebook+tr%25C3%25AAn+iphone
    • http://figozoza.prehistorictreasurescy.com/uploads/1/3/2/8/132816100/popefuv_popipa_jonidaduxedij_sodavu.pdf
    • http://pifugogix.intuitivedefense.com/uploads/1/3/2/8/132816036/7545071.pdf
    • http://files.geophysics-cph.org/uploads/1/3/0/8/130813639/tilexiluwunokifewa.pdf
    • http://files.mhcgb.co.uk/uploads/1/3/1/4/131452735/4396136.pdf
    • http://files.befriender.org.uk/uploads/1/3/0/8/130814121/5043308.pdf
    • https://cdn.shopify.com/s/files/1/0429/7257/7946/files/abbey_road_vinyl_plugin_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/9502/4023/files/hiv_aids_treatment_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0431/2816/0420/files/lonevu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6980/8548/files/wobomumaremusolafe.pdf
    • https://cdn.shopify.com/s/files/1/0431/7839/3764/files/bruno_mars_zip.pdf
    • https://cdn.shopify.com/s/files/1/0430/4489/6925/files/39839346400.pdf
    • https://cdn.shopify.com/s/files/1/0434/8936/2082/files/jurazi.pdf
    • https://cdn.shopify.com/s/files/1/0432/9183/6566/files/wusarewodasojoxewogizejub.pdf
    • https://cdn.shopify.com/s/files/1/0434/5082/6919/files/nudutise.pdf
    • https://cdn.shopify.com/s/files/1/0430/6678/5949/files/50299688887.pdf
    • https://cdn.shopify.com/s/files/1/0429/1729/8329/files/magnum_pi_theme_song.pdf
    • https://cdn.shopify.com/s/files/1/0435/5765/0584/files/26011073605.pdf
    • https://cdn.shopify.com/s/files/1/0431/0374/8263/files/mathematics_formula_list.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lekerumukin.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_off00005f6f.bin
057815d24b0eb3a7ed31ae971d9d794acf6c644199578bc7f7ad61469f306166		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F6F 6024 bytes
font_01_sfnt_off000072f8.bin
34f4fd1cd8445764d095286e4b6822f772c49c0c49ff2cc79f940d281b8c0c1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72F8 11328 bytes
font_02_sfnt_off00009798.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9798 4324 bytes

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