MALICIOUS
194
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 pointing to Shopify domains, which is characteristic of a link farm designed to improve search engine rankings for malicious content. One critical heuristic identified a PDF redirector link to 'ttraff.cc', indicating an attempt to funnel users to malicious infrastructure. The document body, though partially corrupted, contains text related to 'automobile engineering textbook pdf file', suggesting a lure for users seeking educational materials.
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=automobile+engineering+textbook+pdf+file In PDF document text
- http://files.doublefarley.com/uploads/1/3/2/6/132683121/ec3149b3ff9.pdfIn PDF document text
- http://titama.floridakeysoceangallery.com/uploads/1/3/2/6/132681352/44d1a1ed2.pdfIn PDF document text
- http://petuligo.olghammel.org/uploads/1/3/0/8/130874058/4360979.pdfIn PDF document text
- http://files.roysdrivingschool.co.uk/uploads/1/3/0/8/130813827/4730837.pdfIn PDF document text
- http://files.sacred-reiki-tarot.com/uploads/1/3/0/7/130740522/9799753.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/1/0435/5214/5560/files/plant_42_resident_evil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1703/6198/files/21400116684.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9181/2767/files/25249102453.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7371/5880/files/1st_year_all_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2924/9694/files/independence_day_anchoring_script_in_marathi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4886/9786/files/dasibejad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zemivok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zilifevuzumojewod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1644/3288/files/a_boy_called_slow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2633/3351/files/javutibekib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2588/2520/files/20577114507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2287/5800/files/non_alcoholic_liver_disease.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2802/9345/files/business_marketing_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1247/9382/files/38002087135.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_off00006dde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DDE | 5236 bytes |
SHA-256: d58a5d46025a689d92038b13b0741c9192ae21b972558b7f44ad90d2bd1ea937 |
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font_01_sfnt_off00007f96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F96 | 2116 bytes |
SHA-256: 33d80b5e357abfa3ea91f5eff18928953f8e36d8e9a7aea158c838e8ae756dd9 |
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font_02_sfnt_off00008960.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8960 | 15428 bytes |
SHA-256: 9521090342c8c87200d8d308b2e823b764e759b0db86036c3cbe9f957ad63cbd |
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