Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b85124c66720020…

MALICIOUS

PDF

38.5 KB Created: 2020-08-22 18:15:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6be42b53e1c9438a3027f8fd47964f14 SHA-1: 98d6e091798380cb3e1d682f499a9a52a5a537dd SHA-256: 9b85124c667200204f9369a263924a09924067e498f68be387b2d768fa03aecb
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 Shopify domains, but one critical link directs to a known malicious redirector. The document body, though partially corrupted, contains text related to a weather report and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a malicious redirector link indicates an attempt to lead the user to a harmful destination.

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=weather+report+akbarpur+ambedkar+nagar
    • http://denuda.deborahklinger.com/uploads/1/3/1/4/131453251/kupel-levokanened.pdf
    • http://files.eriepetemergency.com/uploads/1/3/1/4/131406999/wedovagalidevosovafo.pdf
    • https://cdn.shopify.com/s/files/1/0431/6990/6854/files/70404755657.pdf
    • https://cdn.shopify.com/s/files/1/0431/3474/6790/files/81499842071.pdf
    • https://cdn.shopify.com/s/files/1/0433/7532/9441/files/kotobedidirovewud.pdf
    • https://cdn.shopify.com/s/files/1/0434/1081/7180/files/92359742669.pdf
    • https://cdn.shopify.com/s/files/1/0432/4186/5384/files/nov_2020_calendar_printable.pdf
    • https://cdn.shopify.com/s/files/1/0437/2486/5685/files/ccsf_library_information_technology.pdf
    • https://cdn.shopify.com/s/files/1/0432/3000/3358/files/magedaredeves.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_off00005770.bin
d1e9bf520035b0745bc4dbcc1ada70dc1981675ff9c2e28581347b6af6a0b1d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5770 5380 bytes
font_01_sfnt_off0000699e.bin
98ea476da20489a96f685ef3cdb8673b5bd49fb33aa2ff3c61e4aeae3dda5eec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x699E 10588 bytes

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