Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbd94eff7eaa88c5…

MALICIOUS

PDF

43.6 KB Created: 2020-08-07 19:44:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b11b1b7b049405a1183e5be40de85564 SHA-1: 659ee45c6e91b82b910e57654f8840739907aeaa SHA-256: bbd94eff7eaa88c567215ad063592aa778fa60b7db722ddcf7cf5320e9ab16da
150 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary malicious redirector URL identified as https://ttraff.com/pify?keyword=company+profile+pdf+malaysia. This indicates a likely phishing or malware distribution attempt disguised as a company profile. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.com/pify?keyword=company+profile+pdf+malaysia
    • http://files.deltatechindustrialpark.com/uploads/1/3/1/4/131483234/bekuwomodifened_popejuw_zonumiwe.pdf
    • http://palenum.southporttaxi.co.uk/uploads/1/3/2/7/132710592/3f815e86e3.pdf
    • http://files.teamnewbalancegvl.com/uploads/1/3/2/6/132682737/1b598.pdf
    • http://files.createmoremusic.com/uploads/1/3/0/7/130776516/kikuwafonabogiwur.pdf
    • https://cdn.shopify.com/s/files/1/0434/9257/3334/files/7172896311.pdf
    • https://cdn.shopify.com/s/files/1/0432/0067/6001/files/28710286200.pdf
    • https://cdn.shopify.com/s/files/1/0430/9660/4825/files/maripelawevidofofetirelir.pdf
    • https://cdn.shopify.com/s/files/1/0430/8792/1313/files/58946384977.pdf
    • https://cdn.shopify.com/s/files/1/0434/7861/4168/files/39150482854.pdf
    • https://cdn.shopify.com/s/files/1/0433/8463/5544/files/senna_bicapsularis.pdf
    • https://cdn.shopify.com/s/files/1/0435/4008/6935/files/18205835213.pdf
    • https://cdn.shopify.com/s/files/1/0428/9291/8937/files/wupivitinekek.pdf
    • https://cdn.shopify.com/s/files/1/0430/6717/9162/files/understandable_statistics_12th_edition_brase.pdf
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/budapest_metro_map_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sujufizolotedugogu.pdf
    • https://cdn.shopify.com/s/files/1/0433/8214/5182/files/lexebolatotosegukonumo.pdf
    • https://cdn.shopify.com/s/files/1/0433/4416/7064/files/savodezazixukezobewis.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/
    • https://cdn.shopify.com/s/files/1/0433/8214/5182/files/lexebolatotosegukonumo

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005da2.bin
b9aa4bb0f081aa9e4e715d0d645b57b12773f5f69d78ebbc17c7f3befda02de5
pdf-font-stream PDF embedded font (sfnt) at offset 0x5DA2 5020 bytes
font_01_sfnt_off00006e98.bin
5df8ec3295c23cb197c49f0568f3209ac9b97992e3abf8279f4064843ee4e21c
pdf-font-stream PDF embedded font (sfnt) at offset 0x6E98 10752 bytes
font_02_sfnt_off00009340.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230
pdf-font-stream PDF embedded font (sfnt) at offset 0x9340 4324 bytes