Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9b47ba6d9fe3f70…

MALICIOUS

PDF

55.6 KB Created: 2020-08-30 03:52:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 633b1d1f8be0a3dd68db7da82de306b8 SHA-1: 1775db13c76e110b4d5953d5e06137898cb1d076 SHA-256: e9b47ba6d9fe3f704f2daf4ea34b6df423d62cea4a43b0b0ceb5eb6edf03c06a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.cc/wix?keyword=ajmer+shatabdi+platform+jaipur. The document body, though heavily obfuscated, also contains this URL, suggesting it's the intended destination. The presence of numerous links, including one to a Shopify domain, indicates a link farm or SEO poisoning attempt to drive traffic to malicious infrastructure.

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.cc/wix?keyword=ajmer+shatabdi+platform+jaipur
    • https://cdn.shopify.com/s/files/1/0437/6995/4456/files/38707730992.pdf
    • https://cdn.shopify.com/s/files/1/0434/4994/2176/files/powus.pdf
    • https://cdn.shopify.com/s/files/1/0431/8851/9074/files/31008555602.pdf
    • https://cdn.shopify.com/s/files/1/0432/1063/7476/files/miwofunavakelutumapefago.pdf
    • https://cdn.shopify.com/s/files/1/0431/3815/4650/files/gafivolozi.pdf
    • https://cdn.shopify.com/s/files/1/0433/9915/1768/files/bopaluvatutubifujozi.pdf
    • https://cdn.shopify.com/s/files/1/0447/1944/0028/files/bangalore_metro_map.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75904593322.pdf
    • https://cdn.shopify.com/s/files/1/0435/9107/3947/files/pazufetome.pdf
    • https://cdn.shopify.com/s/files/1/0437/3289/3857/files/john_deere_l130_manual.pdf
    • https://cdn.shopify.com/s/files/1/0464/9415/4904/files/624094515.pdf
    • https://cdn.shopify.com/s/files/1/0435/6915/2163/files/javascript_validation_tutorial_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0437/3191/0821/files/edema_agudo_pulmonar_neurogenico.pdf
    • https://static.usrfiles.com/ugd/b8c837_4cc338a1055e4ffd9ff26b337e21962f.pdf
    • https://static.usrfiles.com/ugd/b8c837_aa2b60c55aad4b728d1a8283c69586e4.pdf
    • https://static.usrfiles.com/ugd/b8c837_7ecd29a50d8c4831847747d0c6715636.pdf
    • https://static.usrfiles.com/ugd/217d68_dd282f523c5e421a965cde8727822c24.pdf
    • https://static.usrfiles.com/ugd/3f80ec_917aa8896b514d2a919cd2fa7e0c01df.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_off00006d0e.bin
cede95a33698df19d33f7dfde68fde517744b575075157f81809e04d3a8f66a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D0E 5260 bytes
font_01_sfnt_off00007ef1.bin
d6cadef8388e29111abbedeaf3ef354ed66ceb417ca0462111ad44804f6f240a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EF1 15004 bytes
font_02_sfnt_off0000ae0c.bin
c3461001ca888bed6954970c14d027cf202d908e5c0b8e175f896e5a236b6086		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE0C 16100 bytes
font_03_sfnt_off0000c2ce.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC2CE 4324 bytes

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