Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd99207f8eb261f9…

MALICIOUS

PDF

62.2 KB Created: 2020-08-12 07:07:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2897999c8b3d13ad4e5be2e2d6de1f9a SHA-1: fcb4f2efc981dfa3d5ece5bab167474e7005a30f SHA-256: bd99207f8eb261f952a82073a1d3d4b8db7eaa13119d8591f624218f337a0a78
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=project+monitoring+and+evaluation+pdf'. This suggests the document is designed to lure users into clicking malicious links, likely for phishing or to download further malware. No scripts were extracted from this sample.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=project+monitoring+and+evaluation+pdf
    • http://dojos.atlanteanheart.com/uploads/1/3/0/7/130776483/7209153.pdf
    • http://files.eam-studio.com/uploads/1/3/1/3/131398250/lobizifetuwul_vabowemeje_kexixa_sejawagobis.pdf
    • http://files.itsnotstreaming.com/uploads/1/3/1/3/131383921/lemufalaxevat-xelafopukuxazap-vixetilaluto-losinijemupi.pdf
    • https://cdn.shopify.com/s/files/1/0427/8213/0332/files/19337860871.pdf
    • https://cdn.shopify.com/s/files/1/0437/9164/6880/files/nisekonukorubi.pdf
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/manual_jet_ski_lift.pdf
    • https://cdn.shopify.com/s/files/1/0427/9471/3244/files/23591517362.pdf
    • https://cdn.shopify.com/s/files/1/0438/3562/1536/files/rig_veda_in_gujarati.pdf
    • https://cdn.shopify.com/s/files/1/0431/0990/8637/files/66507920106.pdf
    • https://cdn.shopify.com/s/files/1/0433/5465/2822/files/mnemonic_strategies.pdf
    • https://cdn.shopify.com/s/files/1/0433/4980/3162/files/33582929964.pdf
    • https://cdn.shopify.com/s/files/1/0437/9652/9314/files/7788805398.pdf
    • https://cdn.shopify.com/s/files/1/0434/3499/9975/files/4888646863.pdf
    • https://cdn.shopify.com/s/files/1/0437/0831/7850/files/lexoruwexagewe.pdf
    • https://cdn.shopify.com/s/files/1/0437/8080/0663/files/jerikewigala.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a7fa.bin
024ad3b5c1cfa867dde51d603b2adafc6049ffae17362719fd16634013d4329f
pdf-font-stream PDF embedded font (sfnt) at offset 0xA7FA 5316 bytes
font_01_sfnt_off0000b9fc.bin
9d87aaa580c71b89a63ee87b791c75214336c09317717703e51ae4a6304e2a7d
pdf-font-stream PDF embedded font (sfnt) at offset 0xB9FC 10556 bytes
font_02_sfnt_off0000ddc6.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0xDDC6 4324 bytes