Malicious PDF — malware analysis report

Static analysis result for SHA-256 c19c2c64cc73e519…

MALICIOUS

PDF

51.0 KB Created: 2020-08-04 21:09:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ec4d78ace482fc364d645192246660e3 SHA-1: dbc9d0322fe4410ceb7b3defbcac039921b0d41d SHA-256: c19c2c64cc73e519927082474918c311aefcb334e9bf14ad3acd702bbd28b158
138 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a lure related to an 'hp allied services syllabus 2020 pdf' and includes a call-to-action button and urgency language. It embeds multiple links, with a critical finding indicating a redirector link to 'ttraff.com'. This suggests the document is designed to trick users into clicking malicious links, likely leading to further compromise.

Heuristics 5

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=hp+allied+services+syllabus+2020+pdf
    • http://files.patrickduddy.com/uploads/1/3/2/6/132682970/kukiz.pdf
    • http://files.massageinnelson.com/uploads/1/3/0/8/130813988/1636862.pdf
    • http://files.atreeanditsfruit.com/uploads/1/3/0/8/130874369/basebusizi_xovulevuwawuteg.pdf
    • http://files.ourhousecallvet.net/uploads/1/3/1/8/131857071/semosi-kimixasobal-baxokuw.pdf
    • https://cdn.shopify.com/s/files/1/0432/8344/7968/files/xawefokalomodudujazaz.pdf
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/50972669912.pdf
    • https://cdn.shopify.com/s/files/1/0432/6581/8789/files/niliw.pdf
    • https://cdn.shopify.com/s/files/1/0432/1830/5179/files/67946773506.pdf
    • https://cdn.shopify.com/s/files/1/0430/4899/2919/files/11878762307.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bapumonotirugapagemuzigin.pdf
    • https://cdn.shopify.com/s/files/1/0429/5049/2323/files/damowuponisefej.pdf
    • https://cdn.shopify.com/s/files/1/0432/7853/2761/files/wodakoreborisugovaxirun.pdf
    • https://cdn.shopify.com/s/files/1/0430/2848/0154/files/83751351876.pdf
    • https://cdn.shopify.com/s/files/1/0433/4059/5352/files/pilezisiduxaro.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/92313200312.pdf
    • https://cdn.shopify.com/s/files/1/0434/7294/5304/files/google_app_engine_console.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_off00007cd2.bin
a3a9305b66f47eee6d71a1a965bb619ca97865b0f532f9615807972d17501b08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CD2 5272 bytes
font_01_sfnt_off00008ed0.bin
e33f2cb27bdce4b7385064f6486a8bbb1352b88122f63c819dd83761a7486ed1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8ED0 9816 bytes
font_02_sfnt_off0000b06e.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB06E 4324 bytes

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