Malicious PDF — malware analysis report

Static analysis result for SHA-256 90a5eb4eefd8151f…

MALICIOUS

PDF

43.1 KB Created: 2020-08-19 15:30:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 49b8e0b0cc1e0e588750bd57bbbe8d5d SHA-1: 64dc34069a32dbe3e3eaf410c31755d56a07506b SHA-256: 90a5eb4eefd8151f41b555f4bb69d7a255fadb2f82e7eec2e8746d74d21ab323
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to ttraff.com. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The embedded URL 'https://ttraff.com/pify?keyword=react+native+platform+os+version' is likely part of a phishing or scam campaign. No scripts were extracted, limiting the analysis of further stages.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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=react+native+platform+os+version In PDF document text
    • http://nejegog.sharadslunchbox.com/uploads/1/3/1/8/131856318/nezipijinufetojadu.pdfIn PDF document text
    • http://files.empowertrainingsystems.com/uploads/1/3/0/7/130739462/3826166.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0693/4688/files/difizesigomudorisuzonigeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6717/1223/files/bed_box_springs_vs_platform.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0544/3237/files/bodepezobajowesetinivazo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3004/3041/files/dreadlock_holiday_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9715/3943/files/sukid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8993/6028/files/nokivurozasap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6887/5157/files/23896301339.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8845/3533/files/lezevuwotonemewes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7329/7814/files/57233657534.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/2038/1342/files/growth_mindset_bell_ringer_journal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0517/4183/files/al_quran_latin_dan_terjemahan_indonesia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9948/8410/files/ela_e_carioca_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9245/7112/files/50541959829.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
🗂 Part of campaign: fresnotreeservicecompany.com 4 samples

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006046.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6046 5228 bytes
SHA-256: 904940b26a7bdbef29ffde271acb91ae3a4a22684ff6abd17cf2397aa0b34d94
font_01_sfnt_off000071f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71F6 1800 bytes
SHA-256: 51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0
font_02_sfnt_off00007a84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A84 10792 bytes
SHA-256: f4a430d6ba74a1d8417da394dccb40a40149514b327869b8f3969d4c8d97b069