Malicious PDF — malware analysis report

Static analysis result for SHA-256 f51000cb91109ca4…

MALICIOUS

PDF

39.2 KB Created: 2020-08-17 04:58:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e22bce0c1e9b91e18d0571d58d280ac SHA-1: f4cc4e235e25e166913603fa5d534e93e8d4a9af SHA-256: f51000cb91109ca4fbab51edc489d6057ca3464f2eebd346a5c24ca3ebf3b27c
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=land+lease+agreement+format+in+telugu'. This indicates the document's primary purpose is to redirect users to potentially harmful content. The document body, though partially corrupted, contains text related to 'land lease agreement format in telugu' and the malicious URL, reinforcing the lure. The presence of numerous other PDF links, many pointing to Shopify, suggests a link farm or SEO poisoning tactic to increase visibility of the malicious redirector.

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.ru/pify?keyword=land+lease+agreement+format+in+telugu
    • http://files.candyandfriends.com/uploads/1/3/1/3/131384025/xolusaz.pdf
    • http://files.acousticdesignstudios.com/uploads/1/3/1/4/131438439/bidizimorobajex.pdf
    • https://cdn.shopify.com/s/files/1/0431/6761/3087/files/picatrix_planetary_talismanic_magic.pdf
    • https://cdn.shopify.com/s/files/1/0434/9090/2166/files/42369013959.pdf
    • https://cdn.shopify.com/s/files/1/0433/2588/2518/files/rv_comfort_zc_manual.pdf
    • https://cdn.shopify.com/s/files/1/0427/9166/5830/files/relala.pdf
    • https://cdn.shopify.com/s/files/1/0433/6150/1334/files/15592859141.pdf
    • https://cdn.shopify.com/s/files/1/0433/4478/9669/files/vuxeduvor.pdf
    • https://cdn.shopify.com/s/files/1/0433/4184/0535/files/reported_speech_test_online.pdf
    • https://cdn.shopify.com/s/files/1/0431/2317/9677/files/76135684364.pdf
    • https://cdn.shopify.com/s/files/1/0438/2782/2749/files/tizumanigaribalusirebutaj.pdf
    • https://cdn.shopify.com/s/files/1/0433/8571/6901/files/candidiasis_oral_tratamiento_fluconazol.pdf
    • https://cdn.shopify.com/s/files/1/0431/7764/0092/files/virowefebun.pdf
    • https://cdn.shopify.com/s/files/1/0432/7751/6955/files/les_bonnes_pratiques_de_fabrication_des_mdicaments.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_off00005dd9.bin
fa02429be79585a15f8ac9a49ee70843894dd82a9084c0e85c2da2d84be980c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DD9 5168 bytes
font_01_sfnt_off00006f56.bin
3c994caa9e5ef598ae0e7539fa5a48ec2222f8044c9292632dfbeb574834b954		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F56 9712 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.