MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, including one pointing to a known malicious redirector (ttraff.cc). The document body, though heavily obfuscated, also contains this URL. The presence of a 'download button' heuristic further suggests a lure to download content. The PDF is structured as a link farm, with many links hosted on cdn.shopify.com, likely to obscure the malicious intent.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=3d+shapes+formulas In PDF document text
- http://files.mohinisblogs.com/uploads/1/3/1/3/131384359/ef9bc0.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/1/0431/3425/5258/files/wejimi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3279/5541/files/the_five_year_engagement_imdb_parents_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/0979/8307/files/16259826461.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1707/5868/files/faux_leather_repair_kit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0306/7038/files/bodylastics_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lagikemirulufuwetore.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5044/2652/files/bavopirunexokuto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4489/6925/files/fusazumowiwofejarazub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4184/8470/files/electronics_engineering_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9094/3902/files/cara_membuat_cv_menggunakan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3064/2837/files/22252131640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/17471639129.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F3E | 5348 bytes |
SHA-256: b364ee23c5f0ece9aeb9094fb209e065a3c61c7bd2f07dc85773ef880c3d7f02 |
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font_01_sfnt_off00007142.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7142 | 10128 bytes |
SHA-256: fe7890a2d9c4cebf781e866a5c1f3c966fb92289b1db524e11683e03cdc658c3 |
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font_02_sfnt_off0000941a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x941A | 16080 bytes |
SHA-256: 83584419218d40bdc96a2934431814a78dc441f63de5b9e99774fbb65ef3d982 |
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