Malicious PDF — malware analysis report

Static analysis result for SHA-256 e283d92258dc9497…

MALICIOUS

PDF

42.7 KB Created: 2020-03-25 08:10:12 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 83c58cbb9cd6103450454cbe183f929c SHA-1: cc2c72b1356d2641d29c93a6ac8eeee9cb7430d4 SHA-256: e283d92258dc94972827116b3c4ad5856d357223d290fe162f6d744e56ac3e05
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files hosted on different domains. This indicates a link farm or SEO poisoning tactic designed to drive traffic to a network of sites. The document body itself contains metadata and garbled text, but the primary malicious activity is the distribution of these numerous external links.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://timeframingconsulting.com/uploads/1/3/0/5/130590467/130590467.html#compresibilidad+de+gases+liquidos+y+solidos
    • http://sat-latino.com/uploads/1/3/0/5/130589371/nerebujugi.pdf
    • http://annualgulgongnewyearfolkfestival.com/uploads/1/3/0/7/130776300/ranibobefowatijujug.pdf
    • http://amtsaerialimagery.com/uploads/1/3/0/6/130605430/3806915.pdf
    • http://birchcraftblades.com/uploads/1/3/1/0/131070579/7432b3ab97.pdf
    • http://portiesworld.com/uploads/1/3/0/7/130774973/b4db6d91a83536.pdf
    • http://dominiquehanover.com/uploads/1/3/0/2/130272591/sozivogudobamadiz.pdf
    • http://aviatorcoins.com/uploads/1/3/0/6/130620551/lutumorisi_batinabebaba_nazigaturotawaj_xixuwol.pdf
    • http://partyplonk.net/uploads/1/3/0/2/130289550/doponusurod.pdf
    • http://www.midtechllc.com/uploads/1/3/0/3/130313106/1436711.pdf
    • http://www.commonsensevoterguide.com/uploads/1/3/0/3/130379297/670a0572a666d7d.pdf
    • http://www.urbancamel.org/uploads/1/3/0/4/130483772/1320253.pdf
    • http://kalinkikreations.com/uploads/1/3/0/4/130483653/rigovirebisafa-fodajupufif.pdf
    • http://thesquarehippie.com/uploads/1/3/0/2/130288380/fiferubosomepezidi.pdf
    • http://josepaisdecarvalho.com/uploads/1/3/0/5/130589114/vofafovafe_kutag_gubunifuzuxope_koxuxegezotijir.pdf
    • http://northcountypronetworkers.com/uploads/1/3/0/6/130604294/98c398c02.pdf
    • http://simichealthllc.com/uploads/1/3/0/5/130588499/joziwifanaximegopeno.pdf
    • http://www.msvpageant.com/uploads/1/3/0/2/130289421/nolaji.pdf
    • http://mycoloradoorthodontist.com/uploads/1/3/0/6/130620927/b66ca2bb.pdf
    • http://mirigubler.com/uploads/1/3/0/5/130588489/1936630.pdf
    • http://acetonanailbar.com/uploads/1/3/0/5/130589097/jujaropuzinosik.pdf
    • http://nilakim.com/uploads/1/3/0/6/130620389/wozawamogunapapiwo.pdf
    • http://jackappaleauge.org/uploads/1/3/1/0/131070236/062093015b9.pdf
    • http://corkfloorstore.com/uploads/1/3/0/6/130639051/a6d1e312d84e63d.pdf
    • http://zhuangguo94.com/uploads/1/3/0/6/130604778/nadepud_repasubifesul_fexiribefivo_jabujapex.pdf
    • http://corkfloorstore.com/uploads/1
    • 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007e04.bin
93c4440c77fc17757e68d3aeebce590cc79a1ad013357422a39460de45c0230b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E04 8420 bytes

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