Malicious PDF — malware analysis report

Static analysis result for SHA-256 a349220a75b719a1…

MALICIOUS

PDF

55.0 KB Created: 2020-08-07 03:58:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 554380ed20d85b51028dc1d7b9c56cfc SHA-1: e5a012cb85c31a35b862e7edd85498cd0fa790f8 SHA-256: a349220a75b719a15adb6341ca2ee8ce4b6c8ef317c63755b98326063e1d0867
120 Risk Score

Malware Insights

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

The PDF document contains a link that redirects to a known malicious domain, indicating a phishing or redirection attempt. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, likely for SEO manipulation or to host further malicious content. No scripts were extracted from this sample.

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=coffee+bean+and+tea+leaf+menu+pdf
    • http://files.memoryreloaded.com/uploads/1/3/1/4/131453715/penog_pidogavetavujad.pdf
    • http://files.audiokusini.com/uploads/1/3/1/4/131454034/5562825.pdf
    • http://files.alicemaselnikova.com/uploads/1/3/1/4/131454850/detovelejovija-jofifofimajupob-xerefibigipama-pamimimisur.pdf
    • https://cdn.shopify.com/s/files/1/0434/4925/4041/files/suzovituzuzuvukevux.pdf
    • https://cdn.shopify.com/s/files/1/0430/1779/7785/files/gufonez.pdf
    • https://cdn.shopify.com/s/files/1/0450/2038/1342/files/void_method_java.pdf
    • https://cdn.shopify.com/s/files/1/0427/8072/1311/files/78834346025.pdf
    • https://cdn.shopify.com/s/files/1/0436/4229/0336/files/98087919716.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuxovozukirofavekejob.pdf
    • https://cdn.shopify.com/s/files/1/0430/8749/5321/files/sobutuleroke.pdf
    • https://cdn.shopify.com/s/files/1/0429/2640/7833/files/62756556731.pdf
    • https://cdn.shopify.com/s/files/1/0432/7496/1059/files/jorigijekane.pdf
    • https://cdn.shopify.com/s/files/1/0431/8609/4248/files/17492470433.pdf
    • https://cdn.shopify.com/s/files/1/0434/4312/6438/files/search_books_online.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000649a.bin
70dbace68c3adc4af3c82eebbd15476ea92c58e1544cde75519c5226d6370c98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x649A 4960 bytes
font_01_sfnt_off0000755c.bin
a9324c40a482e936ab496357aedd558e95746f04047f515272388f2008cf7eec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x755C 10800 bytes
font_02_sfnt_off00009361.bin
09757c9367dfc4d364c414caeebb1e4eca72e3ba28c6b4a1b22e49306c96d818		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9361 10800 bytes
font_03_sfnt_off0000b8ac.bin
8209c5fc27800dad91b79bdc1d2542939faa66d1b2f519a8f9f1b913071849a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB8AC 16296 bytes

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