MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.cc/pify?keyword=autocad+course+pdf+file', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Autocad course pdf file' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of a visual download button heuristic further supports this phishing pretext.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=autocad+course+pdf+file In PDF document text
- http://vadogoka.olddonationband.com/uploads/1/3/2/3/132302782/72162f14.pdfIn PDF document text
- http://files.lowercreekcreations.com/uploads/1/3/1/4/131452887/1962873.pdfIn PDF document text
- http://files.lorraineeljuga.com/uploads/1/3/1/8/131860787/f217d2b0.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/1/0430/0685/3269/files/rusemobalajat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1053/1238/files/22400356183.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/kukezasolalodal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7745/8334/files/34325066469.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0473/8206/files/ritoribipex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6971/0242/files/50212521200.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/4402/2944/files/arduino_uno_tutorial_for_beginners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3717/5456/files/testing_the_validity_and_reliability_of_research_instruments.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/3341/6095/files/kuxezosupowimigexuvuvik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6463/1195/files/90198628966.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5942/0063/files/estructura_de_los_materiales_inorganicos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4089/0262/files/vonelesojepakujat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2538/3073/files/57234209283.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C3C | 4916 bytes |
SHA-256: bbd62af3fada84e0d934de2e238c87eeb30802cacb28790dbc50c262d0f74bf4 |
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font_01_sfnt_off00007d03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D03 | 10128 bytes |
SHA-256: e94110160219e74259905fe92f2df5d2a05dbd1688e7c443f42136197933d9a4 |
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font_02_sfnt_off00009fb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FB6 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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