MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a malicious redirector link disguised as a textbook PDF, leading to the URL https://ttraff.com/pify?keyword=elementary+statistics+bluman+9th+edition+pdf. This URL is part of a link farm designed to attract search engine traffic and likely serves as a lure for further malicious activity. The document body also contains numerous embedded links to Shopify-hosted PDFs, suggesting a broad distribution strategy.
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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/pify?keyword=elementary+statistics+bluman+9th+edition+pdf In PDF document text
- http://files.allamericandogexpo.com/uploads/1/3/0/7/130738748/jovopowogumu_tetudepukiko_zorigexak_ruxedapopuju.pdfIn PDF document text
- http://files.nature-recharge-botanicals.com/uploads/1/3/2/6/132683087/1950813.pdfIn PDF document text
- http://files.puremovementdance.com/uploads/1/3/0/8/130874125/b5812.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/1/0432/3672/0798/files/58736419618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7249/5524/files/46923572322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7035/7661/files/96066072913.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7465/8216/files/83433990727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6318/1473/files/67517142840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3177/9733/files/54791599989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/13363828728.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9526/1348/files/62418429848.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/22271122494.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fedixudarat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5806/0703/files/product-_support-_staples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0625/2440/files/30319509670.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_off0000b3cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3CC | 5748 bytes |
SHA-256: 49b33bf1ca7ac23d95bfd097dd487778c6ba99e16b696c2e38191acc34c15642 |
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font_01_sfnt_off0000c733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC733 | 15220 bytes |
SHA-256: 463d356a4073c0026a5ce4ae4f0bdffe2fbf1cee0f5321fe47c45144dfe2d929 |
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font_02_sfnt_off0000f73f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF73F | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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