Malicious PDF — malware analysis report

Static analysis result for SHA-256 479f646a82e1578c…

MALICIOUS

PDF

42.6 KB Created: 2020-08-20 09:00:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 840d12bd82e7b3a9e90b87987c1f8fc1 SHA-1: 0c0b7d1090d2d28235b0f2fef0089e7bf7151e21 SHA-256: 479f646a82e1578ce93f3876c681bb115916b4f0b097096447977b95f87e5119
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=free++hangout+film'. This URL is presented within the document body, disguised as a 'free hangout film' lure. The file also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify domains. The primary malicious intent appears to be redirecting users to potentially harmful content via the ttraff.cc domain.

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=free++hangout+film
    • http://files.christypaw.com/uploads/1/3/0/7/130738993/5226741.pdf
    • http://files.eccofilmandvideo.com/uploads/1/3/1/0/131071073/wexedoli_musovivukik_jiwewute_kibugej.pdf
    • http://files.tepoungamarae.org/uploads/1/3/1/1/131163867/1822058.pdf
    • http://files.burkebros-cheltenham.co.uk/uploads/1/3/0/8/130814411/c1878a8.pdf
    • https://cdn.shopify.com/s/files/1/0432/0962/1664/files/green_revolution_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0430/8136/7712/files/undertale_battle_mode.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zovoxumaf.pdf
    • https://cdn.shopify.com/s/files/1/0435/1701/8267/files/naluvobowemesobugoxowivif.pdf
    • https://cdn.shopify.com/s/files/1/0434/1393/0142/files/your_brain_at_work_david_rock_download.pdf
    • https://cdn.shopify.com/s/files/1/0437/2814/2501/files/jokezuzozenevojaxunetuk.pdf
    • https://cdn.shopify.com/s/files/1/0427/9861/2636/files/72995743430.pdf
    • https://cdn.shopify.com/s/files/1/0436/9409/6539/files/velagexujuteni.pdf
    • https://cdn.shopify.com/s/files/1/0430/8933/0325/files/allis_chalmers_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vukanuzedatijaxugevune.pdf
    • https://cdn.shopify.com/s/files/1/0433/5727/4270/files/47867378189.pdf
    • https://cdn.shopify.com/s/files/1/0431/8684/7903/files/66499798326.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_off000069d6.bin
62ddb5521967456444c2cbf2f4359dd1f275323e9fca7ff38f6147d6b16ebb39		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69D6 4956 bytes
font_01_sfnt_off00007a90.bin
2a63f6bb14ef9f202caabfb70b6d07f7f4174353a2830ef267708f9c28b2dcaa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A90 10292 bytes

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