Malicious PDF — malware analysis report

Static analysis result for SHA-256 a910364ce8455267…

MALICIOUS

PDF

37.5 KB Created: 2020-09-21 00:15:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 93cd29c0978eaac30dbc3f7254688a96 SHA-1: e512bdd96fa6ca49d16f59817042c90144e39601 SHA-256: a910364ce84552676a55cf69acedfaa470b57b6671ab3977b21a1b856c1e9a21
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Addends

The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary heuristic indicates a malicious redirector link, suggesting an attempt to direct users to a harmful site. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure for search engines, likely to attract unsuspecting users.

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.club/wix?keyword=incubus+heinz+hall+for+the+performing+arts+november+8
    • http://lubibotij.actscommunitychurches.org/uploads/1/3/2/8/132815986/xaturemesugu.pdf
    • http://files.bryanskreations.com/uploads/1/3/1/4/131484328/wajikefuloriwakagabi.pdf
    • http://files.jxli.net/uploads/1/3/0/7/130775997/1522425.pdf
    • https://cdn.shopify.com/s/files/1/0436/7728/6553/files/16200616454.pdf
    • https://cdn.shopify.com/s/files/1/0433/2755/3686/files/93636620076.pdf
    • https://cdn.shopify.com/s/files/1/0450/3525/8020/files/high_hopes_piano_easy_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0431/8861/7378/files/mumuluzejoxovukomusugime.pdf
    • https://cdn.shopify.com/s/files/1/0428/9078/9020/files/rick_astley_together_forever.pdf
    • https://cdn.shopify.com/s/files/1/0486/4616/0552/files/dopukopuxorakapitaperuzob.pdf
    • https://cdn.shopify.com/s/files/1/0437/3423/7333/files/boss_baby_invitation_card_template_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/6508/9941/files/fillable_vaf4a_appendix_2.pdf
    • https://cdn.shopify.com/s/files/1/0431/4624/8358/files/mawlid_barzanji_arabic.pdf
    • https://cdn.shopify.com/s/files/1/0438/2212/1122/files/brt_dual_band_racing_cdi_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/2626/7806/files/33533015322.pdf
    • https://cdn.shopify.com/s/files/1/0431/6617/1297/files/disable_chrome_software_reporter_tool_group_policy.pdf
    • https://cdn.shopify.com/s/files/1/0434/3041/2454/files/sexegimusufafupilijepu.pdf
    • https://cdn.shopify.com/s/files/1/0432/0293/6992/files/89880179445.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_off00004ab9.bin
f97d68bd9f33a7092970c0e582980a9b95f2e8640aee104a8152aecccd1ff9d8
pdf-font-stream PDF embedded font (sfnt) at offset 0x4AB9 5812 bytes
font_01_sfnt_off00005e63.bin
9cffe6aea1f46e9e39c80ebda8483f209b67e4e16565ecdeaf5473759075e43d
pdf-font-stream PDF embedded font (sfnt) at offset 0x5E63 13180 bytes