Malicious PDF — malware analysis report

Static analysis result for SHA-256 d933658947e5047d…

MALICIOUS

PDF

42.6 KB Created: 2020-08-02 23:58:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7852b78193421cb71441b3ee2aadbaaf SHA-1: 428787448ae00c6f29fb64d1695909325e38aa07 SHA-256: d933658947e5047d434b71fd469a5bd3cb925c5cd60a72552585a982af74c18b
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 document body, though heavily obfuscated, contains text related to a 'Netgear n150 wireless usb adapter driver' and a URL that appears to be a lure. The primary heuristic indicates a malicious redirector link, suggesting the document's purpose is to direct users to a malicious site, likely for phishing or malware delivery.

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=netgear+n150+wireless+usb+adapter+driver
    • http://files.alleylouisville.com/uploads/1/3/1/6/131637546/8666045.pdf
    • http://files.tranceformerstraining.co.uk/uploads/1/3/1/3/131379828/e2b187ac89.pdf
    • http://files.stephenvince.com/uploads/1/3/2/8/132815015/digamulowoborasopew.pdf
    • http://files.treehuggersoap.com/uploads/1/3/2/8/132815343/walofi-xebagotagol.pdf
    • http://files.foresthavensuffolk.com/uploads/1/3/1/4/131438274/jazibug.pdf
    • https://cdn.shopify.com/s/files/1/0430/2916/8282/files/befitexujepekitorinup.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72518400380.pdf
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/31170065683.pdf
    • https://cdn.shopify.com/s/files/1/0431/6289/4495/files/32408669471.pdf
    • https://cdn.shopify.com/s/files/1/0434/0459/1255/files/masegejunuxozotufalu.pdf
    • https://cdn.shopify.com/s/files/1/0432/6827/6384/files/46380152544.pdf
    • https://cdn.shopify.com/s/files/1/0429/3702/4668/files/rodafawifidi.pdf
    • https://cdn.shopify.com/s/files/1/0435/2730/7416/files/kimurepalamareba.pdf
    • https://cdn.shopify.com/s/files/1/0438/9850/3336/files/jepol.pdf
    • https://cdn.shopify.com/s/files/1/0437/6520/3093/files/ios_6._1._6_jailbreak.pdf
    • https://cdn.shopify.com/s/files/1/0433/3400/8987/files/stephanie_williams_stone_cold_steve_austin.pdf
    • https://cdn.shopify.com/s/files/1/0440/8459/2805/files/la_grande_oregon_weather.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_off00005101.bin
576e8b3afb33b6fe5e47d0c3ccc2be5f0601fae3064d00086edb634b215891ba
pdf-font-stream PDF embedded font (sfnt) at offset 0x5101 5476 bytes
font_01_sfnt_off000063c0.bin
aea96f6f72f6fb3fb03b0bdcc9f9baf0ed08db8167ee03fe31149fd1d111c6c1
pdf-font-stream PDF embedded font (sfnt) at offset 0x63C0 13940 bytes
font_02_sfnt_off00008eea.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f
pdf-font-stream PDF embedded font (sfnt) at offset 0x8EEA 4324 bytes