Malicious PDF — malware analysis report

Static analysis result for SHA-256 217ccc07a3a2e543…

MALICIOUS

PDF

50.0 KB Created: 2020-08-15 05:50:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59f23ebc0d07c81b4ddd0da00dc419bb SHA-1: c5369f808c70494b006e5a3c0c1ed98f0f3c5bc1 SHA-256: 217ccc07a3a2e543f694aaf2b5d90c248610f49e248380dbabdf652aed0deaf1
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to a known malicious infrastructure, disguised as a government jobs alert. The PDF also hosts a large number of external links, many pointing to benign Shopify URLs, suggesting a link farm or SEO manipulation tactic. The presence of a visual download button further supports a deceptive lure. No scripts were extracted, but the primary malicious activity appears to be the redirection to a malicious URL.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.ru/pify?keyword=government+jobs+alert+apps
    • http://files.metricarms.com/uploads/1/3/2/6/132683334/9144435.pdf
    • https://cdn.shopify.com/s/files/1/0436/5628/2265/files/abbreviation_dictionary_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/3685/9813/files/41645301690.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/280680.pdf
    • https://cdn.shopify.com/s/files/1/0433/6487/6453/files/semasulozuza.pdf
    • https://cdn.shopify.com/s/files/1/0437/8660/0609/files/gixefuvunomapikudegosi.pdf
    • https://cdn.shopify.com/s/files/1/0429/8814/2743/files/anestesia_regional_paso_a_paso.pdf
    • https://cdn.shopify.com/s/files/1/0431/2917/6232/files/dawedavatajad.pdf
    • https://cdn.shopify.com/s/files/1/0431/9395/8560/files/aviation_safety_management_system.pdf
    • https://cdn.shopify.com/s/files/1/0448/0958/4802/files/businessman_2_film_song.pdf
    • https://cdn.shopify.com/s/files/1/0433/9305/6933/files/lazarokonovivosezinex.pdf
    • https://cdn.shopify.com/s/files/1/0439/3389/2763/files/free_download_quran_arabic_english_translation.pdf
    • https://cdn.shopify.com/s/files/1/0430/8375/9765/files/75860505445.pdf
    • https://cdn.shopify.com/s/files/1/0433/6903/7980/files/luselidozaf.pdf
    • https://cdn.shopify.com/s/files/1/0433/0638/5558/files/bavemewobopumowagerebuw.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_off00006c0e.bin
4ccd26897e257b2a5ccbc43a8d3b090ef6345a41ec2be5d775c5019a918e3d1e
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C0E 5012 bytes
font_01_sfnt_off00007d02.bin
dbaab8dcf32bfe64cb008f34eb54f5316f62236e8dffe3de49b44225404383a5
pdf-font-stream PDF embedded font (sfnt) at offset 0x7D02 2656 bytes
font_02_sfnt_off00008808.bin
d118252e828754e71f07e5be6e436df34495a3d9ca6ee4f4000b3b023bb0826f
pdf-font-stream PDF embedded font (sfnt) at offset 0x8808 10944 bytes
font_03_sfnt_off0000acac.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0xACAC 4324 bytes