Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc2bd46d00be5596…

MALICIOUS

PDF

58.3 KB Created: 2020-08-25 00:09:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 421f07e19e1978b99af13ec5264df4ad SHA-1: 3c90508fd5a71ea990ec280f3bdf681d53b1918f SHA-256: cc2bd46d00be559696d6d57261b7db69254b4c89eff5a2bd0f3a8d39b92cb9bf
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains a URL that leads to a known malicious redirector. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution.

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=diagnostic+radiography+university+interview+questions+and+answers
    • http://files.shandryntrumble.com/uploads/1/3/1/6/131606397/3676325.pdf
    • http://files.gptheatre.com/uploads/1/3/2/6/132681325/9165906.pdf
    • http://files.toddowen.com/uploads/1/3/1/0/131070202/pilujafodoxapudime.pdf
    • http://lisekowo.albertateamsortingassociation.com/uploads/1/3/1/6/131637308/zunegaw.pdf
    • http://files.bayoulesfleurboutique.com/uploads/1/3/1/3/131383377/wifopazowaxazarupiz.pdf
    • https://cdn.shopify.com/s/files/1/0448/1875/9842/files/dejojomoxas.pdf
    • https://cdn.shopify.com/s/files/1/0431/5555/4470/files/cncer_de_mama._diagnstico_tratamiento_prevencin_y_control.pdf
    • https://cdn.shopify.com/s/files/1/0438/1373/2512/files/xukelikevokuwewudido.pdf
    • https://cdn.shopify.com/s/files/1/0441/2289/8584/files/wopalaposilupobujat.pdf
    • https://cdn.shopify.com/s/files/1/0435/5080/2081/files/fitajofolunux.pdf
    • https://cdn.shopify.com/s/files/1/0430/8421/8521/files/xusemiloliseg.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/91428743782.pdf
    • https://cdn.shopify.com/s/files/1/0433/8457/0019/files/91548765712.pdf
    • https://cdn.shopify.com/s/files/1/0431/7007/0687/files/newman_guide_to_catholic_colleges.pdf
    • https://cdn.shopify.com/s/files/1/0434/7228/9944/files/goriniwudox.pdf
    • https://cdn.shopify.com/s/files/1/0431/2317/9677/files/introduccion_al_budismo_gratis.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_off000070dd.bin
c6acebe3750ab55c09714fa1b34f6c70ddae3ce202e1a088ffcbc34adab53285		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70DD 6588 bytes
font_01_sfnt_off00008157.bin
9f6b5491e539166ecf1da244a720bbe328cba6c82df9d5ccda439b09b26c2747		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8157 5684 bytes
font_02_sfnt_off000094b8.bin
4bf5be023488f6aa6279bebfad88d02ff945f583ad38504fc639def3f12bdf66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x94B8 2924 bytes
font_03_sfnt_off0000a10c.bin
a874c447e3ca8cf92d472de2dba25029289c13b696fff1fe41922c7bb59f3e7e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA10C 10272 bytes
font_04_sfnt_off0000c432.bin
1b19f5b9ae2aeff7929e120295d9aee049321614abc14b3ca723126b23f9dd5b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC432 16416 bytes

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