Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7185c47585f1179…

MALICIOUS

PDF

56.4 KB Created: 2020-08-08 11:20:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41e4daaffc9f83cd20eb85201a496fa4 SHA-1: 8641682e7b4b728b80bbbf512e87cc23b2fa1ab4 SHA-256: d7185c47585f1179b22def493124e4cb82219ab5785e343e1339e76ea5be4e89
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary link identified, 'https://ttraff.cc/pify?keyword=free+download+sociology+books+pdf+in+urdu', is a known malicious redirector. This suggests the document is designed to trick users into clicking malicious links under the guise of providing free downloads, likely leading to further malware or phishing attempts.

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+download+sociology+books+pdf+in+urdu
    • http://files.hawaiianryanmassage.com/uploads/1/3/0/7/130775921/jomereja.pdf
    • http://files.jonathanedgingtonwriter.com/uploads/1/3/1/0/131070113/pujomilun_kepaf_wozukas.pdf
    • http://vosiwe.stanleyhayes.com/uploads/1/3/1/4/131407995/1492491.pdf
    • http://files.pcoservices.org/uploads/1/3/1/8/131871593/4257212.pdf
    • http://vusaxami.greenedge-lawncare.com/uploads/1/3/1/6/131637136/tufufopufu-taxibopanekag-ritusosuz-vuposimad.pdf
    • https://cdn.shopify.com/s/files/1/0431/0718/8898/files/niwuxodimolofubodokolu.pdf
    • https://cdn.shopify.com/s/files/1/0433/8342/3128/files/kejerew.pdf
    • https://cdn.shopify.com/s/files/1/0428/3128/2335/files/doing_ethnographic_research.pdf
    • https://cdn.shopify.com/s/files/1/0432/9137/7828/files/60980296254.pdf
    • https://cdn.shopify.com/s/files/1/0433/0130/6526/files/54379840853.pdf
    • https://cdn.shopify.com/s/files/1/0434/4096/3750/files/jupegavalig.pdf
    • https://cdn.shopify.com/s/files/1/0444/3917/5335/files/math_worksheets_for_grade_6_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0434/3762/1404/files/72348252788.pdf
    • https://cdn.shopify.com/s/files/1/0428/3380/5471/files/tafunejinanororelujifised.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/viborovikumowenaben.pdf
    • https://cdn.shopify.com/s/files/1/0434/4751/7341/files/12805130120.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061c3.bin
5b8967d8a221cbc0c2bf8c554b3e122b1dd32cefaab0e86fec53c8d079451ffb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61C3 5676 bytes
font_01_sfnt_off00007538.bin
c48609903b587e41a36e63d46800c3489cd62dd687bde0fd9a0ca60fd6b3ddb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7538 2596 bytes
font_02_sfnt_off000080ba.bin
7bb91423d63eb6bd7c2657278979848d60b7d38679106ec23dbd755ba6ab3d32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80BA 2320 bytes
font_03_sfnt_off00008b09.bin
d8e9eb6fd731a36cb374ae624ce8da3a784048b379b0876d0d4dff58eade446b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B09 9888 bytes
font_04_sfnt_off0000ad13.bin
c81a20f9e816f7809a1e7c30b99f89640980126cb0774a73000277f6ff5a84b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAD13 22380 bytes

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