Malicious PDF — malware analysis report

Static analysis result for SHA-256 71e2d02288424715…

MALICIOUS

PDF

44.1 KB Created: 2020-08-11 19:24:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 213560b700863b244c468ebcbc2b4ef4 SHA-1: aa4bccd6849991d6988e059ee50219b48cf2e17c SHA-256: 71e2d02288424715ac02906152a3a91811c9a0c6d8a4b5c5698bc2452a98f308
154 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector disguised as a 'bikini body training guide'. The primary malicious URL, https://ttraff.cc/pify?keyword=bikini+body+training+guide+pdf+espa%25C3%25B1ol, is designed to redirect users to potentially harmful content. The presence of numerous external PDF links suggests an attempt to manipulate search engine results or distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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=bikini+body+training+guide+pdf+espa%25C3%25B1ol
    • http://files.edgeofthevillage.org/uploads/1/3/1/6/131606289/wujadisunova-sewifoxerefe-bosadixitifeb.pdf
    • http://files.helloweirdos.com/uploads/1/3/1/0/131071252/bokaliratot-labubarivugiser-remurejajeborav.pdf
    • http://gakif.dinglibiofuel.com/uploads/1/3/1/4/131438474/217182.pdf
    • http://files.ssipdx.org/uploads/1/3/1/3/131383486/95297b174d95.pdf
    • http://files.newcastlelibraryfriends.org/uploads/1/3/1/6/131607110/razezuwaxomude.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wuvinotagug.pdf
    • https://cdn.shopify.com/s/files/1/0440/2118/6718/files/nirudiduwadurofojam.pdf
    • https://cdn.shopify.com/s/files/1/0432/1745/3211/files/benami_property_transactions_act_2020.pdf
    • https://cdn.shopify.com/s/files/1/0431/4526/5318/files/viscous_fluid_flow_white_3rd_edition.pdf
    • https://cdn.shopify.com/s/files/1/0428/3272/4124/files/lufalekakibokuxaxukor.pdf
    • https://cdn.shopify.com/s/files/1/0429/7592/0282/files/97440938811.pdf
    • https://cdn.shopify.com/s/files/1/0429/9459/8047/files/10517647135.pdf
    • https://cdn.shopify.com/s/files/1/0429/4184/1571/files/zimbabwe_sign_language_alphabet.pdf
    • https://cdn.shopify.com/s/files/1/0431/4670/7104/files/nebabipexefab.pdf
    • https://cdn.shopify.com/s/files/1/0432/0290/4222/files/telexoga.pdf
    • https://cdn.shopify.com/s/files/1/0432/1011/3188/files/padojamajupojasijewojugi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35022180152.pdf
    • https://cdn.shopify.com/s/files/1/0432/3459/0878/files/sing_alleluia_marcelo.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bab.bin
0464e8758f0177f26a96ce09527f9d492fc52660e7ee789f5945e3a13feb5ddd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BAB 5776 bytes
font_01_sfnt_off00007f25.bin
afccf0b1e4732a37b0c75e843217bba8d00ba9a522a348822bbd6a6881102b89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F25 10036 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.