Malicious PDF — malware analysis report

Static analysis result for SHA-256 74e8068546966047…

MALICIOUS

PDF

38.4 KB Created: 2020-08-17 02:05:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 20ac1aaaae940abab2ce57f121da7929 SHA-1: 6e867d601181bb6886d0c9862629417d6242ecbb SHA-256: 74e8068546966047df47d59497224761587c56255db79301659f8477a0fadf69
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which point to external resources, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure, specifically `https://ttraff.cc/pify?keyword=ulus+twin+platform+bed+with+trundle`. The document body, though partially corrupted, contains text related to a 'twin platform bed with trundle' and also includes the malicious URL, indicating a lure to a potentially malicious site.

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=ulus+twin+platform+bed+with+trundle
    • http://files.eriniwanusalcsw.com/uploads/1/3/0/7/130739202/5904774.pdf
    • http://bawipatun.kobanuniverse.net/uploads/1/3/1/3/131398589/fuluw_lopog_nukinogasufu.pdf
    • http://files.kristinsfinefoods.com/uploads/1/3/1/3/131379554/falobojim-watadoro-veposu.pdf
    • http://files.stringsforhope.com/uploads/1/3/1/6/131607230/57b4542b17.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0428/8380/9443/files/57894519452.pdf
    • https://cdn.shopify.com/s/files/1/0429/4213/6476/files/devasazigogipezakux.pdf
    • https://cdn.shopify.com/s/files/1/0431/2793/1029/files/54517063790.pdf
    • https://cdn.shopify.com/s/files/1/0431/5725/8395/files/57707644470.pdf
    • https://cdn.shopify.com/s/files/1/0433/1008/8360/files/fojufofuda.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53295895336.pdf
    • https://cdn.shopify.com/s/files/1/0433/3820/3290/files/tenepodarav.pdf
    • https://cdn.shopify.com/s/files/1/0432/0994/9348/files/multivariate_analysis_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0434/6026/4086/files/certificat_de_vente_moto_cross.pdf
    • https://cdn.shopify.com/s/files/1/0434/6390/1334/files/wisitusabivimojokutipiro.pdf
    • https://cdn.shopify.com/s/files/1/0430/9336/0791/files/cricket_world_cup_2020_schedule_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/4923/8178/files/bonebusijade.pdf
    • https://cdn.shopify.com/s/files/1/0435/0076/5336/files/moboluwuwadi.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_off000055a9.bin
f15884170383fac047d2bcdb7382774eb0f19d999cae732043b89dfcba3e87e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55A9 5504 bytes
font_01_sfnt_off00006838.bin
0ec739ad52448e5184976727f95583545fd82a05a1aa17bc3dc975852a373453		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6838 10632 bytes

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