Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec496044395e1515…

MALICIOUS

PDF

56.5 KB Created: 2020-08-06 15:12:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65df7b2e7f5fa629ab7305eea7b2f165 SHA-1: 6f5be37a1b6ed60dd530918200f09d03ce1560e1 SHA-256: ec496044395e1515e0b8bfc692977e2f72a2fb9c8372f8fe2cb149fe679dad3f
120 Risk Score

Malware Insights

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

The PDF file contains embedded links that redirect to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting a lure related to 'Devi bhagavatam in sanskrit pdf'. The primary malicious IOC is the redirector URL, which is likely used to host further malicious content or phishing pages. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, likely for SEO manipulation or to distribute the malicious payload across multiple domains.

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=devi+bhagavatam+in+sanskrit+pdf
    • http://files.deluxefrenchfries.net/uploads/1/3/0/7/130738850/7c87528929341.pdf
    • http://files.tiadaghtonvalleyrr.com/uploads/1/3/0/7/130774990/jaxonokoreris.pdf
    • http://files.aikidoithaca.com/uploads/1/3/0/8/130874063/zomuguxigevado.pdf
    • https://cdn.shopify.com/s/files/1/0435/0840/0280/files/37044202959.pdf
    • https://cdn.shopify.com/s/files/1/0431/5450/5882/files/68877661919.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dogazuzotefoninu.pdf
    • https://cdn.shopify.com/s/files/1/0438/0088/7456/files/jutiparipusebixukener.pdf
    • https://cdn.shopify.com/s/files/1/0427/8845/4559/files/vasigax.pdf
    • https://cdn.shopify.com/s/files/1/0432/2754/5755/files/95898800691.pdf
    • https://cdn.shopify.com/s/files/1/0428/8380/9447/files/ps3_steering_wheel_and_pedal.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67641838088.pdf
    • https://cdn.shopify.com/s/files/1/0428/3308/4575/files/zupirufeba.pdf
    • https://cdn.shopify.com/s/files/1/0429/3397/7255/files/59624165494.pdf
    • https://cdn.shopify.com/s/files/1/0433/7431/3621/files/black_hole_sun_guitar.pdf
    • https://cdn.shopify.com/s/files/1/0431/5417/8216/files/kafuvogoxam.pdf
    • https://cdn.shopify.com/s/files/1/0432/8462/7614/files/88464154063.pdf
    • https://cdn.shopify.com/s/files/1/0431/3815/4653/files/67741387862.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_off00008f5a.bin
0f1e9ead060cd9130d7171c9786e5ca0aa85dc034a8e5af01d66f18b6dafd10f
pdf-font-stream PDF embedded font (sfnt) at offset 0x8F5A 5688 bytes
font_01_sfnt_off0000a294.bin
a255fcebd8af04980e5fdb32de388edaaf82805d26bf699c367ff5d1cc7d69ad
pdf-font-stream PDF embedded font (sfnt) at offset 0xA294 10172 bytes
font_02_sfnt_off0000c594.bin
1e0da2556a354ae687d339d9e96e7e13c93af939888f1f938a8ce1af0db60327
pdf-font-stream PDF embedded font (sfnt) at offset 0xC594 3796 bytes