MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to ttraff.com. It also contains a PDF link farm heuristic, with many links hosted on cdn.shopify.com. The document body suggests a lure to install a browser extension or update to view content, which is a common social-engineering tactic. The primary malicious IOC is the redirector URL, which is likely used to deliver a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/wix?keyword=android+emulator+for+pc+low+memory In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0435/5499/6375/files/disney_animal_kingdom_map_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1888/7068/files/navikufebowam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3246/8904/files/jawutifojizen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5238/3907/files/ben_graham_security_analysis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7552/6042/files/44939303638.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0069/8792/files/8221929496.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2500/4706/files/belanjawan_2020_malaysia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6643/3435/files/supevatateb.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b65acf_f304b5917250407293f0475e1aa28e74.pdfIn PDF document text
- https://static.usrfiles.com/ugd/5fd5c1_9282e1e3ae93422891bc271f6056e552.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b80405_3f687306f2bb4de484139181ab49fff0.pdfIn PDF document text
- https://static.usrfiles.com/ugd/5a1791_2d36af23d08f4fa58dff7d9d29b96310.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_a8977a81fa1544d79f2289a7fe1f5aff.pdfIn PDF document text
- https://static.usrfiles.com/ugd/824332_70c047b537d44e48bfe0f299f2de63d2.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E89 | 5188 bytes |
SHA-256: af840ed5da07b9dc80e6b22477290ce1f95cf2f5684e846f7bf2c13a74e8f4cc |
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font_01_sfnt_off00008020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8020 | 10196 bytes |
SHA-256: 5382d7faa8ec2b2a93194dbefebbb65f43d493dc2146824150ee46c6869478cf |
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font_02_sfnt_off0000a31a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA31A | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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