Malicious PDF — malware analysis report

Static analysis result for SHA-256 02601d0caba37ab5…

MALICIOUS

PDF

34.5 KB Created: 2020-08-23 15:22:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8f4304aa41bef0c3b6a74c9cd6535c08 SHA-1: 15d878181dff75121aa54d3e5ad9597c9d4c4903 SHA-256: 02601d0caba37ab5388e0456d94d0a0f98beac4a080cdaef4e439a17a9d584b9
154 Risk Score

Malware Insights

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

The PDF contains embedded links pointing to a known malicious redirector, ttraff.com, which is designed to obscure the final destination. The document body, though partially garbled, includes text that suggests a lure related to 'Sabic ldpe data sheet', indicating a potential phishing or social engineering attempt. The presence of numerous external PDF links, many hosted on Shopify, further suggests a link farm or SEO manipulation tactic to distribute 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.com/pify?keyword=sabic+ldpe+data+sheet
    • http://kemuwub.jenkatz-buonincontro.com/uploads/1/3/1/1/131164250/banulaxe_xejasubo_jujiram_dexem.pdf
    • http://dixiko.planningprotocol2.com/uploads/1/3/1/6/131606479/woxozaj.pdf
    • http://files.gamedaytraining.net/uploads/1/3/2/6/132681296/sizip.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/zijarosopob.pdf
    • https://cdn.shopify.com/s/files/1/0431/8475/0747/files/al_quran_tanpa_terjemahan.pdf
    • https://cdn.shopify.com/s/files/1/0435/7862/2111/files/elementos_de_un_accidente_de_trabajo.pdf
    • https://cdn.shopify.com/s/files/1/0428/6332/9446/files/surikelumanixaratepom.pdf
    • https://cdn.shopify.com/s/files/1/0434/2589/0466/files/best_video_editing_app_for_android_tablet.pdf
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/62362393723.pdf
    • https://cdn.shopify.com/s/files/1/0432/2839/7732/files/89780753442.pdf
    • https://cdn.shopify.com/s/files/1/0438/8706/7291/files/nekorusuvaduwasexexanuxal.pdf
    • https://cdn.shopify.com/s/files/1/0434/7019/2805/files/99194108858.pdf
    • https://cdn.shopify.com/s/files/1/0432/5670/9273/files/webofilup.pdf
    • https://cdn.shopify.com/s/files/1/0434/2326/9014/files/wuxotitorujekotutoxetu.pdf
    • https://cdn.shopify.com/s/files/1/0435/9477/6739/files/33130464292.pdf
    • https://cdn.shopify.com/s/files/1/0436/4949/9289/files/36469689439.pdf
    • https://cdn.shopify.com/s/files/1/0428/8161/3987/files/4653035514.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_off000049b5.bin
c78b8d51d426c75637bd41366490f3c9431228bb6cc5d3fa3c438f5222062d9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x49B5 5308 bytes
font_01_sfnt_off00005ba9.bin
485e3ecd4c367f96e762e6b82fa4e4132f8d25457ee958133d17a9bc21b488e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BA9 9992 bytes

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