Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ef11c74fe0012ad…

MALICIOUS

PDF

41.1 KB Created: 2020-08-16 12:31:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fe73fb33b9c3b5816ce786effab37b8b SHA-1: 41eb665b16039cbd132da0b8193bc8928a427da2 SHA-256: 1ef11c74fe0012adf3c130e0fa206c0f6b1900ededc1c5def6fc4272b51ad86b
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, identified as a PDF link farm. One of the primary links, 'https://ttraff.com/pify?keyword=booty+farm+hacked+apk', is flagged as malicious, indicating a redirection to harmful content. The document body, though heavily obfuscated, also contains this malicious URL and numerous other URLs pointing to Shopify and other domains, likely as part of a link-farming or SEO manipulation tactic to distribute malicious content.

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=booty+farm+hacked+apk
    • http://files.outofthedarknessministry.com/uploads/1/3/2/6/132695643/7067066.pdf
    • http://files.jaofabbeville.org/uploads/1/3/1/8/131856380/lilamatogaxe-sekigebasadadul-zawedodog-favoxisujekesi.pdf
    • http://files.melissa-field.com/uploads/1/3/2/3/132303082/44efe41e067b.pdf
    • https://cdn.shopify.com/s/files/1/0427/7311/9143/files/tanatologia_para_nios.pdf
    • https://cdn.shopify.com/s/files/1/0431/7410/1160/files/31200220092.pdf
    • https://cdn.shopify.com/s/files/1/0434/1668/2652/files/pdf_online_marketing_strategies.pdf
    • https://cdn.shopify.com/s/files/1/0437/9954/3970/files/gst_tax_rate_slab.pdf
    • https://cdn.shopify.com/s/files/1/0428/3521/4503/files/wakadiniwone.pdf
    • https://cdn.shopify.com/s/files/1/0431/6305/8340/files/amazon_echo_instruction_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/9040/1685/files/93015846836.pdf
    • https://cdn.shopify.com/s/files/1/0429/6241/9863/files/rafukavozezedip.pdf
    • https://cdn.shopify.com/s/files/1/0430/0190/5315/files/personality_definition_by_authors.pdf
    • https://cdn.shopify.com/s/files/1/0429/5655/4394/files/ginitonopepujen.pdf
    • https://cdn.shopify.com/s/files/1/0434/0760/5923/files/how_to_play_botw_on_cemu.pdf
    • https://cdn.shopify.com/s/files/1/0430/6645/8266/files/efferent_auditory_system.pdf
    • https://cdn.shopify.com/s/files/1/0432/6562/2184/files/12923483719.pdf
    • https://cdn.shopify.com/s/files/1/0432/3547/5624/files/70152343096.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_off00006378.bin
d9877a9e1d93363f81ac174d539cf8ffcb4cbf9ce8fd7430b5b7b67c86be5b00
pdf-font-stream PDF embedded font (sfnt) at offset 0x6378 5400 bytes
font_01_sfnt_off000075b4.bin
99e386347ba7c3da62b906959bab5e213756e734a1a86a2e13c9c7dff7a16729
pdf-font-stream PDF embedded font (sfnt) at offset 0x75B4 9888 bytes