Malicious PDF — malware analysis report

Static analysis result for SHA-256 b208c67557060854…

MALICIOUS

PDF

44.5 KB Created: 2020-08-06 19:20:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8a73c9b6f70b9b2c7f7267e54bdfcd05 SHA-1: 57f17e386fa30e13f1c24f11a247cbe2711d8418 SHA-256: b208c675570608543133d44620eed5abb9b1ff862e693a2d93c173c878274209
128 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically pointing to a redirector URL associated with malicious activity. The document body, though heavily obfuscated, contains text that appears to be a lure for 'pdf to word nitro crack', suggesting a scam or malware distribution attempt. The presence of a 'download button' heuristic further supports this, indicating the user is likely intended to click the malicious link to download unwanted software.

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.
  • 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.cc/pify?keyword=pdf+to+word+nitro+crack
    • http://files.sunningdalehomedesign.com/uploads/1/3/0/8/130874526/vipabuvuxov.pdf
    • http://files.mountain-travel-morocco.com/uploads/1/3/0/7/130739919/fomuta.pdf
    • http://files.ballyadamsns.com/uploads/1/3/1/3/131379724/724f5a8.pdf
    • http://files.hudsonhealingarts.com/uploads/1/3/0/7/130775768/3360573.pdf
    • https://cdn.shopify.com/s/files/1/0450/9509/2376/files/social_psychology_elliot_aronson_9th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0433/0664/7717/files/kukogemuteronizi.pdf
    • https://cdn.shopify.com/s/files/1/0438/6711/1584/files/kuvadefaxeralusaxotizolol.pdf
    • https://cdn.shopify.com/s/files/1/0431/8363/6644/files/bishop_guide_mapleroyals.pdf
    • https://cdn.shopify.com/s/files/1/0429/5560/4134/files/15997197367.pdf
    • https://cdn.shopify.com/s/files/1/0431/4795/2294/files/86490146382.pdf
    • https://cdn.shopify.com/s/files/1/0428/5192/6183/files/73560247958.pdf
    • https://cdn.shopify.com/s/files/1/0430/4365/1741/files/wozewokesixujufo.pdf
    • https://cdn.shopify.com/s/files/1/0431/6427/0743/files/5050078170.pdf
    • https://cdn.shopify.com/s/files/1/0429/7962/3071/files/ximoxozusazepe.pdf
    • https://cdn.shopify.com/s/files/1/0440/9524/2392/files/78921672856.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_off00007035.bin
2cbd498412029d32607cdb32d4b155ded82d0da5a32b7dcbf414bc1571fadbe1
pdf-font-stream PDF embedded font (sfnt) at offset 0x7035 4960 bytes
font_01_sfnt_off0000813e.bin
05de585446ced25686a4d0b6b322d9ab69ffd1c30a151ca818116cc826e1e5ba
pdf-font-stream PDF embedded font (sfnt) at offset 0x813E 10472 bytes