Malicious PDF — malware analysis report

Static analysis result for SHA-256 aaa17d8e6a2e3a63…

MALICIOUS

PDF

34.1 KB Created: 2020-08-04 03:36:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 21cac109c5b6bfab097e7b51c7d4f575 SHA-1: a8998362c9ef641bba2e73c2d9710c8fac153a23 SHA-256: aaa17d8e6a2e3a63303c4a29ed275d53c6a0e9be8fef13101832913a4d6e0eb7
202 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, designed to appear as legitimate PDF downloads. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which likely serves as the initial stage for delivering a payload. The document body, though heavily obfuscated, contains the text 'Greenhouse effect pdf file download' and the malicious redirector URL, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=greenhouse+effect+pdf+file+download In PDF document text
    • http://files.maristrugby.com.au/uploads/1/3/0/7/130776041/5338555.pdfIn PDF document text
    • http://files.bbhames.com/uploads/1/3/0/7/130740051/4264098.pdfIn PDF document text
    • http://files.soundscapemusic.net/uploads/1/3/1/4/131437322/nuraxoxapab_tavalidox_tidemuv.pdfIn PDF document text
    • http://dikaxub.fovvtnh.org/uploads/1/3/1/4/131453215/96aa8201db99f.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/1/0436/4537/0518/files/baxileporivum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2929/1427/files/notilifezanuxusijebolojuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3483/5094/files/79530852209.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9938/1146/files/dark_knight_script.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6408/1046/files/4667845849.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8905/8209/files/40401023457.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2155/0247/files/jilokupuwoxokevo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6893/9672/files/78553739863.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4796/0232/files/cyhi_elephant_in_the_room.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1267/5995/files/89614819036.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48466687054.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

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000490f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x490F 5368 bytes
SHA-256: f64aeb7e7f259b4201bb17a722d7e5f34dba4f5e9a6533dc36d3c268f7117de6
font_01_sfnt_off00005b61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B61 9408 bytes
SHA-256: 7843976dfe901b54b570c58628f8473e627095b8c90b9ecd58cd6dcc3edbce0c

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