Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccbb435cbc1c21a7…

MALICIOUS

PDF

51.7 KB Created: 2020-08-23 12:52:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 649610c7d5544763785df79de51957fc SHA-1: df5acd205871e2e988698a54caade9d144342895 SHA-256: ccbb435cbc1c21a781cf443fb3326293152dfc36ecebc79745701144919e5253
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a direct link to a known malicious redirector, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=geometrik+dizi+genel+terim+form%25C3%25BCl%25C3%25BC', which is flagged as malicious. The presence of numerous links to Shopify-hosted PDFs suggests an attempt to obscure the true malicious destination through a link farm.

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.com/pify?keyword=geometrik+dizi+genel+terim+form%25C3%25BCl%25C3%25BC
    • http://jusazavo.homesteadfamilygrain.com/uploads/1/3/0/7/130775111/xoxipivixutojipurab.pdf
    • http://wofaj.teignfilmmakersclub.org/uploads/1/3/1/3/131398455/gosiputobavukogamoj.pdf
    • http://bedibom.canadiancosmeticcluster.com/uploads/1/3/1/4/131437906/a3515606c54282.pdf
    • https://cdn.shopify.com/s/files/1/0429/9682/6261/files/jspdf_autotable_angular_7.pdf
    • https://cdn.shopify.com/s/files/1/0432/8269/4312/files/mowabepototalenanigavuvu.pdf
    • https://cdn.shopify.com/s/files/1/0433/6844/8152/files/gonatuposepuluvo.pdf
    • https://cdn.shopify.com/s/files/1/0434/0462/4021/files/english_textbook_grade_6.pdf
    • https://cdn.shopify.com/s/files/1/0440/1594/3845/files/mifotomome.pdf
    • https://cdn.shopify.com/s/files/1/0436/8783/7849/files/25408905454.pdf
    • https://cdn.shopify.com/s/files/1/0438/0921/0529/files/orasatha_album_song_masstamilan.pdf
    • https://cdn.shopify.com/s/files/1/0434/0383/7592/files/tenozerijutuluxodumede.pdf
    • https://cdn.shopify.com/s/files/1/0434/7569/7830/files/noluvaxaseperix.pdf
    • https://cdn.shopify.com/s/files/1/0434/4777/9478/files/zeguxanizeludamoxu.pdf
    • https://cdn.shopify.com/s/files/1/0431/5712/7336/files/73393027434.pdf
    • https://cdn.shopify.com/s/files/1/0435/3536/8346/files/jspdf_autotable_is_not_a_function.pdf
    • https://cdn.shopify.com/s/files/1/0435/6630/1343/files/kumon_answer_book_level_d_math.pdf
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/34661459707.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/
    • https://cdn.shopify.com/

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000071dc.bin
52e2f2a05f0da42bfd85d7b4aedef3352ea78473e0d2adae1b661d69fa7b8459		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71DC 3564 bytes
font_01_sfnt_off00007db9.bin
ebc0c66205eecaa15b97408e97b4ca266c1ef79c221d6a066ab8c4dd73ae161d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DB9 2884 bytes
font_02_sfnt_off000087f8.bin
d465a9190b5eb56238bc9bf6eccca7858447de015bbee44ab24314d3fd3da13b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x87F8 5104 bytes
font_03_sfnt_off0000991e.bin
063b30257470f4e091185b441f424d1e447a5d330da41ff6a25cdf47a58d6d63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x991E 12196 bytes

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