MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, predominantly hosted on Shopify. One of these URLs, 'https://ttraff.com/pify?keyword=1st+grade+cbse+english+worksheets', is identified as a known malicious redirector. The presence of a large number of external links, coupled with the malicious redirector, suggests an attempt to manipulate search engine results or distribute malicious content through a network of linked documents.
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.com/pify?keyword=1st+grade+cbse+english+worksheets In PDF document text
- http://files.southerngypsyco.com/uploads/1/3/0/8/130813144/towosenizokagiluviz.pdfIn PDF document text
- http://files.beyondthegap.org/uploads/1/3/0/7/130739658/samitimizovanisel.pdfIn PDF document text
- http://files.bestdreamlife.com/uploads/1/3/0/9/130969942/2d8375d.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/1/0438/5603/6005/files/92939914749.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7694/3000/files/pogalogomajoxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4157/8399/files/teoria_da_aprendizagem_social.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5673/4109/files/27275283192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6346/7414/files/wipiratuzozexujipewu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91960476686.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4764/8406/files/franchising_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5106/5242/files/34166768689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6879/2732/files/lebim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2265/4362/files/varapo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3485/9941/files/tafegujofafukera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6822/6725/files/36423472929.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4686/0957/files/aisc_seismic_design_manual_2nd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7997453156.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_off00006929.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6929 | 5452 bytes |
SHA-256: 6199e5ad93acc88137cdaab473b9f7f0db700b2e16d92851f506e211e7976133 |
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font_01_sfnt_off00007bae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BAE | 6736 bytes |
SHA-256: f9eca4e76780b12b951453d3c7b2121b538f0b110e9fbf026bba2d3ea50c8454 |
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font_02_sfnt_off00008e76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E76 | 10700 bytes |
SHA-256: 4bf373464755b8bdf624a8507bc4292fb37b5d2e0a6d243d7d10da27df35f650 |
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font_03_sfnt_off0000b319.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB319 | 17492 bytes |
SHA-256: 459bc91fdd7ab87ea9ebc1797b1a3b948737d9d3234b6cc534cb86313abda916 |
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