Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae1801550d8503b9…

MALICIOUS

PDF

44.5 KB Created: 2020-08-19 15:12:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a0fa71411d7e8a5acadfca23ff54944c SHA-1: 1303fa9beee3f70b9c7c380aa24a3ecfd5e43257 SHA-256: ae1801550d8503b924c5fcf4a20790c020fc4a4a02d06f67182cc1219b635702
150 Risk Score

Malware Insights

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

This PDF document contains a malicious redirector link pointing to ttraff.com, which is known for distributing malware. The document also exhibits characteristics of a link farm, embedding numerous external PDF links, many hosted on cdn.shopify.com. The primary malicious link is https://ttraff.com/pify?keyword=al+quran+terjemahan+melayu+pdf, which likely serves as a lure to redirect users to a malicious site. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or redirection attack.

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.com/pify?keyword=al+quran+terjemahan+melayu+pdf
    • http://files.fantasysumo.us/uploads/1/3/0/7/130775978/rikuzipojif_zoxenejepa_vawikufiso.pdf
    • https://cdn.shopify.com/s/files/1/0429/6772/8279/files/eef_metacognition_guide.pdf
    • https://cdn.shopify.com/s/files/1/0436/1856/6306/files/falufulozevawiduxiv.pdf
    • https://cdn.shopify.com/s/files/1/0439/5152/1947/files/fapuv.pdf
    • https://cdn.shopify.com/s/files/1/0431/2888/1318/files/nusenoteregevijubinixum.pdf
    • https://cdn.shopify.com/s/files/1/0431/8917/4432/files/japotosemogatifujelakor.pdf
    • https://cdn.shopify.com/s/files/1/0435/4854/1087/files/guitar_basic_chords_download.pdf
    • https://cdn.shopify.com/s/files/1/0437/7686/8514/files/gugawagidomoletamune.pdf
    • https://cdn.shopify.com/s/files/1/0432/4923/8178/files/93616181410.pdf
    • https://cdn.shopify.com/s/files/1/0435/3074/8055/files/bruce_lipton_biology_of_belief_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/2641/4743/files/fikurupit.pdf
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/14526362047.pdf
    • https://cdn.shopify.com/s/files/1/0435/3867/7924/files/9001085825.pdf
    • https://cdn.shopify.com/s/files/1/0431/0017/6544/files/kawafesikejaf.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
stream_005_off000081c6.bin
2421d3f0d499e9fdd24b37be53795a40f42010e2b631583935396459d86b7d64
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x81C6 20660 bytes
font_00_sfnt_off00004d00.bin
97cfee86b96251b7c18d24ff789cecba03a3372f72474884cd1bc54fa167b2f3
pdf-font-stream PDF embedded font (sfnt) at offset 0x4D00 5396 bytes
font_01_sfnt_off00005f3a.bin
87610bc22536f1ade999ed0c7642263e1eb5e66ea54b6b33fc9db2c8f35d3220
pdf-font-stream PDF embedded font (sfnt) at offset 0x5F3A 10048 bytes