Malicious PDF — malware analysis report

Static analysis result for SHA-256 225695b8166fb85e…

MALICIOUS

PDF

41.4 KB Created: 2020-08-22 10:55:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 61151c6fe58db93b609925f65f916492 SHA-1: 38b096a0e1f11179bb3fc0b0183edd5327e1b94f SHA-256: 225695b8166fb85ed78a23fec402cf84fc62fce61b0c1e4cc300e0876f6777d1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a malicious redirector at 'ttraff.com'. This redirector is disguised with a query parameter suggesting an 'android developer forum google', indicating a social engineering lure. The primary purpose appears to be directing users to malicious infrastructure, likely for further exploitation or malware delivery.

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=android+developer+forum+google In PDF document text
    • http://files.sirencovenantchurch.org/uploads/1/3/1/3/131378942/xexitijifimo-sazixulifezona-xekarobalogex.pdfIn PDF document text
    • http://files.derhuei.com.tw/uploads/1/3/1/4/131438528/tekibofogelas.pdfIn PDF document text
    • http://files.projectdental.org/uploads/1/3/0/7/130776265/1352891.pdfIn PDF document text
    • http://tovobanin.bluetonemusicusa.com/uploads/1/3/2/6/132695399/3367879.pdfIn PDF document text
    • http://dapol.velveteenmommydesign.com/uploads/1/3/0/7/130775934/e5573f97eebf1.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/1/0435/6807/0815/files/life_cycle_of_albugo_candida.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/18983443830.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3867/1010/files/89032122251.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/najeberub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2969/0525/files/watercolor_flowers_wallpaper_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8311/1336/files/castrol_edge_0w_40_a3_b4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3826/7809/files/letter_alphabet_tracing_worksheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9137/8854/files/78300695046.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4777/9494/files/binary_search_tree_iterator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3477/7499/files/47883163545.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7767/1843/files/luzevenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gekisemegudifusoledo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5064/7204/files/a_gentleman_full_movie_480p_openload.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000064b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64B9 5024 bytes
SHA-256: 80028656161e5b3ffc3bf54c8fcbbab797b6a7832b0f64a227311fadb0978977
font_01_sfnt_off000075c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75C0 10256 bytes
SHA-256: df6421f0e7f50cc21f47b73c2095b5d348790ae94d85b3f684e42aa1cd19e32e