MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=amsco+apush+period+3+pdf', which is flagged as malicious. This suggests the PDF is designed to act as a link farm or lure, directing users to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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=amsco+apush+period+3+pdf In PDF document text
- http://files.wlreading.org/uploads/1/3/0/7/130775371/a27cb4591.pdfIn PDF document text
- http://files.meganalms.com/uploads/1/3/0/7/130739719/mawilewe-musegizororeli-xisedizifukob-jirusujilufuz.pdfIn PDF document text
- http://zizesujeg.swiftfitnwa.com/uploads/1/3/2/6/132681946/2340606.pdfIn PDF document text
- http://files.webberswhippingpost.com/uploads/1/3/1/4/131483275/1042757.pdfIn PDF document text
- http://files.thestrongfamiliescommission.com/uploads/1/3/0/7/130739651/senix-xofevep.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/1/0428/9835/8432/files/gijamibumiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0814/8127/files/dotovip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7646/0448/files/lifalep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1995/2550/files/hong_kong_bus_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2236/0469/files/65062284467.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3583/6068/files/dutugox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zetuvoveluganimuwejipas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1485/6610/files/40549262131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7008/7587/files/zadonigi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/0737/3476/files/coliformes_totales_nom_112_ssa1_1994.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1633/1172/files/31676836394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/faramerujinusopuko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6704/0163/files/auditoria_fiscal_mexico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7813/9556/files/latefafosojedewofoti.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_off00006d79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D79 | 5516 bytes |
SHA-256: 83b827a761dd697e2c442f9680784695705dca481772416ab6c180d32b40b098 |
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font_01_sfnt_off0000800f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x800F | 14876 bytes |
SHA-256: 5a62d3502271077e3b33138c40788b8aa864cf805d13ac4f9f37627ad99d9332 |
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font_02_sfnt_off0000ab26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB26 | 10556 bytes |
SHA-256: 8f6cd3e897f8df8280f2a4dec24bed65c1d127ea93135b8f2645d4361928705a |
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font_03_sfnt_off0000cf49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF49 | 16036 bytes |
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb |
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