Malicious PDF — malware analysis report

Static analysis result for SHA-256 d62c371d2c1ab482…

MALICIOUS

PDF

112.5 KB Created: 2020-08-08 12:58:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f2f7b383f54d3c8eca47f73b04fc42e3 SHA-1: 3bab51e8db29449e0715245ea1562e8f8ebab369 SHA-256: d62c371d2c1ab4821b81adddcb05dc0b381916af732c1027c6399eb3b44c3c79
162 Risk Score

Malware Insights

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

The PDF file contains a lure for an advance-fee scam, disguised as an HR project report. It embeds a link that redirects to a malicious URL, likely to deliver a second-stage payload or phish for credentials. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the malicious nature of the redirector.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=hr+project+report+on+employees+absenteeism+pdf
    • http://files.alltechclimate.ca/uploads/1/3/1/4/131406947/6543501.pdf
    • http://files.mammoguide.com/uploads/1/3/2/6/132682655/kekugovubitepoj-suviloxar.pdf
    • http://files.matttighefiddle.co.uk/uploads/1/3/2/3/132303219/nixati-bugesibabusa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9275/5111/files/47508508976.pdf
    • https://cdn.shopify.com/s/files/1/0432/7122/5494/files/bubajuzozijopogim.pdf
    • https://cdn.shopify.com/s/files/1/0431/5080/3099/files/36600018624.pdf
    • https://cdn.shopify.com/s/files/1/0431/0951/5425/files/37030017704.pdf
    • https://cdn.shopify.com/s/files/1/0434/1566/6849/files/jaxilaxabubulupesor.pdf
    • https://cdn.shopify.com/s/files/1/0428/5143/4659/files/sowadijowakuxufupobopil.pdf
    • https://cdn.shopify.com/s/files/1/0432/2256/5032/files/10095585395.pdf
    • https://cdn.shopify.com/s/files/1/0435/1167/7083/files/tuvawodivowujatupevipifu.pdf
    • https://cdn.shopify.com/s/files/1/0437/7087/1970/files/solidworks_2015_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0440/9635/6504/files/sosejufolipoxojitonixuv.pdf
    • https://cdn.shopify.com/s/files/1/0432/3858/8584/files/ficha_biopsicosocial_primaria.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014a4d.bin
a63dc7203ceba2031beaf1d50b83973ffdd0483474384fa5780efc3deacec6ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14A4D 1696 bytes
font_01_sfnt_off00015277.bin
59a9c68792c047b3f3aa548f5da31652e99a07957fd0a91af66c8f3e04711bb5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15277 5368 bytes
font_02_sfnt_off0001649b.bin
bc8dc0e28bd276469b5f47ce6a660f22d5a190926ec12fa64123d275e5b74781		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1649B 13296 bytes
font_03_sfnt_off00018f7b.bin
4a59cd45dbc5e071fb523d212ca80ce3bb007c668efd63336a3e1ae3300a8511		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18F7B 16244 bytes
font_04_sfnt_off0001a4ec.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A4EC 4324 bytes

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