MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious due to a critical heuristic indicating it links to known malicious redirector infrastructure. It also contains a link farm with numerous external PDF links, many hosted on cdn.shopify.com. The primary malicious URL identified is https://ttraff.cc/pify?keyword=solving+logarithmic+equations+worksheet+with+answers+pdf, which is likely used to redirect users to a malicious site. No scripts were extracted, but the PDF structure and embedded URLs strongly suggest a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=solving+logarithmic+equations+worksheet+with+answers+pdf In PDF document text
- http://beluje.myptsanantonio.com/uploads/1/3/0/8/130814020/7138036.pdfIn PDF document text
- http://files.ninjamagik.com/uploads/1/3/0/8/130874629/jatupisejumelovavog.pdfIn 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/1/0435/9385/9231/files/booty_farm_hacked_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9856/1959/files/palefubovenojalofinu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6679/9766/files/xawatew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4309/4677/files/30663142782.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1605/1096/files/gebetaxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5366/2887/files/balance_sheet_format_under_llp_act.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6038/0327/files/general_issues_on_environmental_ecology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6797/2513/files/fotemuteziweze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7886/0454/files/lujikebomejodumumafuke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7011/9318/files/mogakowitesodabotivilaso.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66A6 | 5896 bytes |
SHA-256: 67c78203e1321752419548d6ad47ee94f22af1ba56e5a97213d032bab8da1a3c |
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font_01_sfnt_off00007a8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A8F | 10016 bytes |
SHA-256: 6262aa03e793583886cf61eb5164c910a49ff64a8043970d7423ea1fd1a27f6d |
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font_02_sfnt_off00009d15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D15 | 16060 bytes |
SHA-256: c43c81af3addadc619f1b50b0eb79006c69e58cb90abf43f7a5fbd940e22698c |
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font_03_sfnt_off0000b1a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1A9 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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