Malicious PDF — malware analysis report

Static analysis result for SHA-256 522d800b17cef184…

MALICIOUS

PDF

76.3 KB Created: 2021-03-05 08:15:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 7c258de30a45a9d959716123abc53ac5 SHA-1: 1eb8b6cbbea098c8418e4a6cf462214e8cf96e61 SHA-256: 522d800b17cef184d6cf2018ef8985b1522d98cfa7944904351c4996a066f118
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8973

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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 https://golowaki.ru/award?keyword=how+to+use+a+self+leveling+laser PDF link annotation
    • http://tiluvopira.medianewsonline.com/filemogaxiba.pdfIn PDF document text
    • http://pixunune.sportsontheweb.net/sword_art_online_aincrad_-_edio_1_light_novel.pdfIn PDF document text
    • http://lezeninimi.medianewsonline.com/quran_arabic_madina.pdfIn PDF document text
    • http://pogawubujogeje.mypressonline.com/talidi.pdfIn PDF document text
    • http://govuled.mywebcommunity.org/fabajoniluva.pdfIn PDF document text
    • http://xemokajoled.medianewsonline.com/86157988915.pdfIn PDF document text
    • http://kinemulawaw.sportsontheweb.net/wafejokuxadizenipub.pdfIn PDF document text
    • http://mevukavotidu.getenjoyment.net/geruwujewefebiju.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://e5720c39-3c1c-4a52-9be9-509675281b5a.filesusr.com/ugd/0010c8_b138c9e9e6f444c6a5e62712d463fe6f.pdf?index=trueIn PDF document text
    • http://xologikaju.atwebpages.com/what_is_the_best_cordless_leaf_blower_to_buy.pdfIn PDF document text
    • https://c4bedd8b-a3e9-4aa8-9751-a6fde4035b7e.filesusr.com/ugd/037f08_102d01c7616a4d0eaeca33f4e17b4ca5.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/lomuper/kafuzurukuzoguxarijujizu.pdfIn PDF document text
    • https://s3.amazonaws.com/sixenogafopoj/57330869445.pdfIn PDF document text
    • http://tiredosutozol.atwebpages.com/25467723975.pdfIn PDF document text
    • https://s3.amazonaws.com/kavifunaruvi/femafujusobinubiz.pdfIn PDF document text
    • http://zesafemumibow.myartsonline.com/likoba.pdfIn PDF document text
    • https://s3.amazonaws.com/xarojapi/fuwobinewiwowivuw.pdfIn PDF document text
    • https://s3.amazonaws.com/vavale/amadeus_altea_dcs_training_manual.pdfIn PDF document text
    • https://8fc1c2d6-49ba-4d63-8b95-0327ef2b1627.filesusr.com/ugd/1849a1_4322ac8340ca4003be0d8a3144e88218.pdf?index=trueIn PDF document text
    • http://sutexuvidag.myartsonline.com/minn_kota_riptide_terrova_80-lb._i-pilot_trolling_motor_24v.pdfIn PDF document text
    • https://s3.amazonaws.com/napejaxosinages/dibewimagoxegivotik.pdfIn PDF document text
    • https://s3.amazonaws.com/bisegilupuf/jasefokulatamapu.pdfIn PDF document text
    • https://73f4d879-981c-49fe-abc7-520f36a14a84.filesusr.com/ugd/b77b08_0a69edf3c4ed47b496f1fcdc9274c241.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zonivezada/kindle_ebook_reader_for_android.pdfIn PDF document text
    • https://s3.amazonaws.com/vidadaviwal/vuneno.pdfIn PDF document text
    • https://s3.amazonaws.com/vidadaviwal/zaxoraranasosufax.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000101f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101F4 5048 bytes
SHA-256: 9a9ff9c6ab90349a26a4e11b3d3f8614fcff48cdef3c70ddf0eb7428c7761cdc
font_01_sfnt_off0001134e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1134E 10412 bytes
SHA-256: 9c48019ad34d4f71708291ee68ee88191126485ace0a388b55b8f35e8448eaba

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