Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c6ce0e348638e9b…

MALICIOUS

PDF

62.1 KB Created: 2020-08-28 15:24:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b0109a3ecd642a06df7ab416c3d6ecd9 SHA-1: 3de872817710e744b5c45597c7db3782ccfa2c44 SHA-256: 2c6ce0e348638e9b2cc64a37305f92db61e47ebc879b7ef90ce2863133891b07
150 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to an 'Apple airport a1392 manual'. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. The primary malicious URL identified is https://ttraff.cc/pify?keyword=apple+airport+a1392+manual.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=apple+airport+a1392+manual
    • http://rixij.gefyrathebridge.com/uploads/1/3/2/6/132683051/fijemo_babegosemozame_tuzadigiwol.pdf
    • http://neteguro.chezcloe.com/uploads/1/3/0/7/130776208/serutivomi-kubovatofufoxig-xajokiv-rejopugadag.pdf
    • http://vazetowed.tool-hire-shops.co.uk/uploads/1/3/2/6/132681946/479643.pdf
    • http://files.mosineevolleyball.com/uploads/1/3/0/8/130873895/1865875.pdf
    • http://files.lizcraftillustrations.com/uploads/1/3/0/9/130969356/3f470047ac5fec8.pdf
    • https://cdn.shopify.com/s/files/1/0431/0417/4233/files/24250499396.pdf
    • https://cdn.shopify.com/s/files/1/0435/9867/6131/files/77956282012.pdf
    • https://cdn.shopify.com/s/files/1/0431/5480/0797/files/19860947917.pdf
    • https://cdn.shopify.com/s/files/1/0434/8110/4541/files/43066067178.pdf
    • https://cdn.shopify.com/s/files/1/0429/8362/0767/files/c_programming_notes_handwritten.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xatet.pdf
    • https://cdn.shopify.com/s/files/1/0432/4782/9156/files/kujetozutulusufuxarevivu.pdf
    • https://cdn.shopify.com/s/files/1/0459/9876/8287/files/halti_no_pull_dog_harness_size_guide.pdf
    • https://cdn.shopify.com/s/files/1/0435/5060/5461/files/wawuvejewazodepoxep.pdf
    • https://cdn.shopify.com/s/files/1/0434/2385/8850/files/arduino_if_statements.pdf
    • https://cdn.shopify.com/s/files/1/0433/4478/9669/files/mapukasefa.pdf
    • https://cdn.shopify.com/s/files/1/0432/3095/3630/files/lajefusozukovodinubowi.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_off00006caa.bin
af74e873c1872315230c82b8a62ca357fc1269b783df78fae69130a527652b4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CAA 7400 bytes
font_01_sfnt_off000085f3.bin
6db84930d92336a38f492045de41d114353ffbedea8a69778f284ff464bf22ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85F3 5280 bytes
font_02_sfnt_off000097c7.bin
488ffee5e9c33bcc1f3f00aec749f35977d0cdd209ffadaee35194d66ecc177d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x97C7 6148 bytes
font_03_sfnt_off0000a7a7.bin
829f366e0ce1c340c9d09d5d0375acc702f05270dcdb9473ed6d3b0321e263d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA7A7 13864 bytes
font_04_sfnt_off0000d310.bin
4fb18f2f8d176c0c9ddf893a3a69c6eaaaf8ae8309617b6e07033971a2ed751b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD310 16684 bytes

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