Malicious PDF — malware analysis report

Static analysis result for SHA-256 e16f0b2397b4d95e…

MALICIOUS

PDF

45.7 KB Created: 2020-08-04 11:47:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 95e59d533c022ea9288bc48681305493 SHA-1: 96216cb2cb95750df33ba67d99454d947b6cb7f8 SHA-256: e16f0b2397b4d95e98facb34cfac440888126526bcc1245cec5c670aa9781f18
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external resources hosted on Shopify. One critical heuristic firing indicates that a link redirects to known malicious infrastructure via 'ttraff.cc'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=contoh+undangan+yasinan+pdf', suggesting a lure to a malicious site disguised as a PDF download. The presence of numerous links and the redirection to malicious infrastructure strongly indicate a phishing or malware distribution attempt.

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/pify?keyword=contoh+undangan+yasinan+pdf
    • http://files.brownsantiquesandreclamation.co.uk/uploads/1/3/0/8/130873877/703437.pdf
    • http://files.north60tattoo.com/uploads/1/3/0/7/130776401/wakidofojebimopuzel.pdf
    • http://files.orderriseup.com/uploads/1/3/0/8/130813398/sojakegapar-lutosibis-napive.pdf
    • https://cdn.shopify.com/s/files/1/0433/9436/7649/files/jazovujofumilupugolar.pdf
    • https://cdn.shopify.com/s/files/1/0430/7730/4484/files/fobus.pdf
    • https://cdn.shopify.com/s/files/1/0436/4635/3561/files/boxudebexetenabavelulun.pdf
    • https://cdn.shopify.com/s/files/1/0431/0607/4780/files/mobonezarafutefidus.pdf
    • https://cdn.shopify.com/s/files/1/0430/9889/8592/files/54486009004.pdf
    • https://cdn.shopify.com/s/files/1/0434/4751/7349/files/pilapadavogenowo.pdf
    • https://cdn.shopify.com/s/files/1/0431/5506/2938/files/sunojupilelirajada.pdf
    • https://cdn.shopify.com/s/files/1/0432/4022/6984/files/10343567430.pdf
    • https://cdn.shopify.com/s/files/1/0433/8581/5194/files/cub_cadet_682.pdf
    • https://cdn.shopify.com/s/files/1/0427/9320/5916/files/76568897794.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007690.bin
229d954fc0696271870f2aa5e7a2c02bf89ad17ef6d312d95044b337aaec3dc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7690 5180 bytes
font_01_sfnt_off00008837.bin
003b7d808cb8669d90b7985a60886e5020a12c49de64d3f90c5e958684a5de69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8837 9924 bytes

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