Malicious PDF — malware analysis report

Static analysis result for SHA-256 3053ccc239ead89f…

MALICIOUS

PDF

28.6 KB Created: 2020-10-10 23:42:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 56b92caa181a3addd8edd1f9b9819733 SHA-1: 2070fe52689bb55d46ee6c50a4cdc4e5e9f18ae6 SHA-256: 3053ccc239ead89f72a40e8f51c905fa15e7caab5afa996e69d62ef0d7e9a834
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, ggtraff.ru, which is designed to lead users to malicious content. The document body also contains obfuscated text and a URL that appears to be part of a link farm, suggesting an attempt to manipulate search engine results or distribute content through multiple channels. The presence of numerous Shopify links, some of which are benign, may be an attempt to blend in with legitimate content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://ggtraff.ru/strik?keyword=me+fir+bhi+tumko+chahunga+song+download In PDF document text
    • https://site-1036730.mozfiles.com/files/1036730/26462832815.pdfIn PDF document text
    • https://site-1036781.mozfiles.com/files/1036781/xelojovenujeg.pdfIn PDF document text
    • https://site-1037916.mozfiles.com/files/1037916/62045409168.pdfIn PDF document text
    • https://site-1039405.mozfiles.com/files/1039405/wagisesanetazikuwu.pdfIn PDF document text
    • https://site-1039426.mozfiles.com/files/1039426/39555622237.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/3588/1372/files/36455002025.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0013/3793/files/build_a_bear_gift_card.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0728/7189/files/64488029391.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7768/7701/files/nafomexir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8650/3324/files/xuxiwowabapudud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3001/2316/files/orono_public_schools_teacher_contract.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8012/9441/files/white_gold_price_per_oz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2846/1206/files/my_boy_apk_pokemon_emerald.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/7686/1086/files/8222901271.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0402/6280/files/compare_and_contrast_movie_and_book_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6262/3397/files/logitech_marble_mouse_scroll_mac.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ced.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CED 5620 bytes
SHA-256: 459f7b6a51812df57482cdc097dceb204dbed91a4ef73ae67230bedad064a6ff