Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2b2e46f3e179877…

MALICIOUS

PDF

78.0 KB Created: 2020-08-12 00:16:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: de40dc6dcca3b967657cda5d2ca6730a SHA-1: 8a29bfb041829559b4f42ae9cb8cd99252d8ecdc SHA-256: c2b2e46f3e1798777f7d60939f6ca10041b32b89b2cf418cce56a0a00210e3d6
202 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs, with one identified as a malicious redirector. The heuristic firings indicate this is a lure for an advance-fee scam or a payment redirection scheme, aiming to trick users into clicking the malicious link. The document body, though heavily corrupted, contains text fragments related to online forms and URLs, reinforcing the phishing pretext.

Heuristics 5

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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.ru/pify?keyword=bank+of+baroda+online+form+pdf
    • http://files.lambethlarder.org/uploads/1/3/1/4/131438071/fovikison.pdf
    • http://files.efmracing.com/uploads/1/3/1/3/131383943/tirakavonu-gopefomonidimij-fotedamojulo-posugazizajap.pdf
    • http://files.masterfreight.co.uk/uploads/1/3/1/3/131397960/rulawakimoka.pdf
    • https://cdn.shopify.com/s/files/1/0435/6145/1681/files/adobe_reader_scan_to.pdf
    • https://cdn.shopify.com/s/files/1/0437/1031/6694/files/31544595014.pdf
    • https://cdn.shopify.com/s/files/1/0438/3876/7266/files/jemagevo.pdf
    • https://cdn.shopify.com/s/files/1/0432/8180/9566/files/dream_a_little_dream_of_me_ukulele.pdf
    • https://cdn.shopify.com/s/files/1/0432/7541/9798/files/dujug.pdf
    • https://cdn.shopify.com/s/files/1/0433/7703/3372/files/kolajusu.pdf
    • https://cdn.shopify.com/s/files/1/0435/6535/1071/files/fun_home_alison_bechdel_espaol.pdf
    • https://cdn.shopify.com/s/files/1/0431/4028/4573/files/staff_attendance_register.pdf
    • https://cdn.shopify.com/s/files/1/0430/0655/8359/files/63481199339.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/loxidunadubufurepetiverox.pdf
    • https://cdn.shopify.com/s/files/1/0446/0855/3123/files/string_to_integer.pdf
    • https://cdn.shopify.com/s/files/1/0433/2073/7950/files/larazeruralekusude.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_off0000df6c.bin
dd7b880f1c6958317b71933e3175eb4154b1281d355b69180e4ce829e506ee21		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF6C 2828 bytes
font_01_sfnt_off0000e966.bin
0f736c8ee319213c7b825aea338d1bb1d0207a78c043276c35c22fb295082ee4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE966 4972 bytes
font_02_sfnt_off0000fa22.bin
3f4dc605144d3254281121c4c48a6b9ac94ecba7ea93668d467d9af03ad786ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFA22 10140 bytes
font_03_sfnt_off00011c80.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11C80 4324 bytes

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