Malicious PDF — malware analysis report

Static analysis result for SHA-256 09bad7ef0535e7b4…

MALICIOUS

PDF

38.0 KB Created: 2020-08-04 09:23:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: afea5dd172e3b43ea9a5f38e69cfde41 SHA-1: 0a4e3dd6b5c0327c1f16571ec7fb9e0a2f37cd91 SHA-256: 09bad7ef0535e7b416d4eaf036c4826e99b3f6b6658789637a67d50709a33d07
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that points to a redirector service. This suggests the primary goal is to redirect users to malicious sites, likely for phishing or to download further malware.

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=angels+in+america+script+download+pdf
    • http://files.natureswaypetcare.com/uploads/1/3/0/8/130814856/d0731930358012a.pdf
    • http://files.the-marshal.com/uploads/1/3/2/8/132815924/5442d07325.pdf
    • http://files.samanthadelgarno.com/uploads/1/3/1/3/131380480/gijared-wukezadat-bitet.pdf
    • http://files.businessbcs.com/uploads/1/3/2/7/132740343/e9c81eaa854.pdf
    • http://files.threebridgesboutique.com/uploads/1/3/1/8/131856995/5f36275dfc.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0429/1995/2550/files/40953141531.pdf
    • https://cdn.shopify.com/s/files/1/0431/5791/3754/files/outward_voltaic_hatchery.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20745245188.pdf
    • https://cdn.shopify.com/s/files/1/0430/3526/3138/files/7604729716.pdf
    • https://cdn.shopify.com/s/files/1/0431/2068/9306/files/50906487045.pdf
    • https://cdn.shopify.com/s/files/1/0449/2463/3243/files/game_theory_books.pdf
    • https://cdn.shopify.com/s/files/1/0433/1339/7913/files/vesade.pdf
    • https://cdn.shopify.com/s/files/1/0432/7974/5192/files/79115512053.pdf
    • https://cdn.shopify.com/s/files/1/0432/0083/9842/files/migit.pdf
    • https://cdn.shopify.com/s/files/1/0430/8677/4436/files/84262860814.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xazome.pdf
    • https://cdn.shopify.com/s/files/1/0428/4186/6403/files/64129839154.pdf
    • https://cdn.shopify.com/s/files/1/0429/8693/0329/files/78875464754.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_off0000554b.bin
7cdaa40099299659d1f7c55a454be24890299cc12db25447445317acfa8334c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x554B 5556 bytes
font_01_sfnt_off00006833.bin
6555308702838e346e023497c385ff691551b2de2ed8bd6c22254b4d48064cba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6833 10224 bytes

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