Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd6762687998a3b6…

MALICIOUS

PDF

38.4 KB Created: 2020-08-19 22:17:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cd971ff65eea5d8586d23065ad3870e SHA-1: 184a7905f4c2c27a3582afde44de14b50572287b SHA-256: dd6762687998a3b6b88b2ef14269536fa4eaf473f27749407076071493408df9
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The document body appears to be malformed or contains obfuscated text, but the presence of numerous links, including one pointing to a redirector at 'ttraff.com', strongly suggests a malicious intent. This is likely part of a link farm or SEO scam designed to lure users to malicious sites.

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=acca+f5+old+questions+and+answers
    • http://files.wbphoto.org/uploads/1/3/1/4/131438667/wexawigumat.pdf
    • http://files.samanthasnyderart.com/uploads/1/3/0/7/130775221/mejixijorape.pdf
    • http://tiler.weddingphotoscyprus.com/uploads/1/3/1/6/131607062/8c1bc63a7.pdf
    • https://cdn.shopify.com/s/files/1/0429/9731/7785/files/medicinal_uses_of_carica_papaya.pdf
    • https://cdn.shopify.com/s/files/1/0432/6309/9040/files/juwafunoxazodoparidim.pdf
    • https://cdn.shopify.com/s/files/1/0431/3595/9191/files/13958558890.pdf
    • https://cdn.shopify.com/s/files/1/0431/1485/6610/files/sujalavitida.pdf
    • https://cdn.shopify.com/s/files/1/0437/9561/1809/files/business_law_13th_edition_clarkson.pdf
    • https://cdn.shopify.com/s/files/1/0437/8266/8437/files/kopofigolenaleteruve.pdf
    • https://cdn.shopify.com/s/files/1/0430/9195/1769/files/what_matters_the_clockmakers_daughter_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0431/8350/5562/files/rigiserikezazotix.pdf
    • https://cdn.shopify.com/s/files/1/0437/1572/3414/files/28375774772.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_off0000570e.bin
8b6c49b8ded3bd6e527737d24ed5edf3023e21c226ef3715e2838a276dff44f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x570E 5348 bytes
font_01_sfnt_off00006952.bin
75e6df525b0f757e5936f8fb81f372a17a1d7f7caef547839537b9b4474d551b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6952 10636 bytes

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