MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to known malicious infrastructure. Additionally, PDF_SEO_LINK_FARM indicates a large number of external links, many hosted on cdn.shopify.com, likely to obscure the malicious redirector. The document body contains the URL https://ttraff.cc/pify?keyword=affixes+worksheet+pdf+grade+3, which is the primary indicator of malicious intent, likely serving as a lure for further malicious activity.
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=affixes+worksheet+pdf+grade+3 In PDF document text
- http://rewiz.babyblueeyesragdolls.com/uploads/1/3/1/3/131398455/ranuli_zutotut.pdfIn PDF document text
- http://files.timothygage.com/uploads/1/3/1/4/131453540/polosekajoj.pdfIn PDF document text
- http://files.cucornell.org/uploads/1/3/0/7/130775653/wegutalasux.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8648/7456/files/atomistique_chimie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7127/4146/files/vavekazi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xozujegemuzudileruzodedus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6204/8421/files/digital_electronics_vtu_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7710/7865/files/simon_sinek_find_your_why.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5116/2523/files/61045646792.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4474/8950/files/61054549788.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7356/7901/files/53095078683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4757/4943/files/14338317476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0816/2981/files/64507082231.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8271/8115/files/bantu_education.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7192/9496/files/52672595542.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004a26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A26 | 5648 bytes |
SHA-256: 3d30aa50a1c3aeb15469f091727ab9c1e65f5c17b96ec736f3c484abdc91ae19 |
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font_01_sfnt_off00005d6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D6E | 6148 bytes |
SHA-256: 0b8363bc9e07cf89205331d27bc1c31e4fc91592bb846ce71245372e642e4983 |
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font_02_sfnt_off00006d4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D4D | 9812 bytes |
SHA-256: 16878159e6e96aa402566764dc22424950369b3e2fcdfabfd1bab2f7330a4147 |
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