Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1e0a396438c5b66…

MALICIOUS

PDF

40.9 KB Created: 2020-08-19 00:24:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a46d28974cfce7bc56c151570e4a52ce SHA-1: 0de970d54c319864b238fff661a3542f338f78d1 SHA-256: e1e0a396438c5b66e0e972ea2f89dc45595b5593857f3d0ab6bf8d204c514738
128 Risk Score

Malware Insights

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

The PDF contains a lure related to recruitment and urgency, directing the user to click a link. The link `https://ttraff.cc/pify?keyword=ministry+of+information+and+broadcasting+recruitment+2019` is identified as a malicious redirector. The document also hosts a large number of external PDF links, many hosted on `cdn.shopify.com`, suggesting a link farm or SEO poisoning attempt. No scripts were extracted, but the presence of a malicious redirector and the link farm indicate a phishing or redirection attack.

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=ministry+of+information+and+broadcasting+recruitment+2019
    • http://files.vibrantlyalive.com.au/uploads/1/3/1/3/131383493/kumazekidek_movonavu.pdf
    • http://files.jumpseatstories.com/uploads/1/3/1/6/131607053/zudorapoke_ranukodamu_maluji_galipagugil.pdf
    • http://datan.jrwholesalespr.com/uploads/1/3/1/4/131406082/7104682.pdf
    • https://cdn.shopify.com/s/files/1/0431/6885/8280/files/vijatasejuge.pdf
    • https://cdn.shopify.com/s/files/1/0438/8257/8088/files/calculus_stewart_6th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0430/6498/3701/files/buropedotufujovotefatal.pdf
    • https://cdn.shopify.com/s/files/1/0432/4032/5282/files/kitchen_aid_superba_refrigerator_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/6060/9692/files/2904280080.pdf
    • https://cdn.shopify.com/s/files/1/0438/4233/8981/files/madovapuzoxitu.pdf
    • https://cdn.shopify.com/s/files/1/0431/9464/6689/files/lixuzodegemijililu.pdf
    • https://cdn.shopify.com/s/files/1/0428/2512/1959/files/asymbiotic_technique_of_orchid_seed_germination.pdf
    • https://cdn.shopify.com/s/files/1/0431/8760/1559/files/65474017307.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_off00005f3a.bin
723ee8503969ccabb0affe4286488c53ae320f72049910357f621faf2fd9b371		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F3A 6040 bytes
font_01_sfnt_off000073b1.bin
ea5f34d20e24bf48a9fb908cc227f5e1f561d4acfaccdc2de390b846baf58abd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73B1 10180 bytes

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