MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify and other domains. The primary link, 'https://ttraff.com/pify?keyword=cambridge+checkpoint+english+workbook+8+pdf+free+download', suggests a lure to download educational materials, likely a phishing or SEO spam tactic. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms that the ttraff.com URL is associated with malicious redirector infrastructure.
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=cambridge+checkpoint+english+workbook+8+pdf+free+download In PDF document text
- http://files.trinityprocounseling.com/uploads/1/3/2/6/132681308/mumuzurades-pitanogozo.pdfIn PDF document text
- http://lujasiku.bulldogathleticboosterclub.com/uploads/1/3/0/8/130814328/gatesozujuvit_nonubuluk.pdfIn PDF document text
- http://tuluj.safespacesupervision.co.uk/uploads/1/3/0/7/130738732/buwapudejuvob-baweti.pdfIn PDF document text
- http://files.anabhra.com/uploads/1/3/0/8/130814056/lusejujijaximu.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/1/0434/6842/3330/files/wunobuginuxejitok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/bodoxajolilikipepove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5454/6594/files/bosques_templados_de_chile_y_argentina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1024/3229/files/namotexagax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1006/4537/files/wekatodar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5288/3352/files/rupureselavoguxokasi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4976/3494/files/51856832989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4582/1333/files/4700643598.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0441/8459/files/64797094508.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2359/7725/files/comparing_strings_in_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1755/0499/files/mercedes_v_class_brochure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0397/7634/files/walmart_10-_k.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51507598499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5481/5640/files/mokimobuzirisupiriko.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_off000076d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D2 | 5868 bytes |
SHA-256: 644f0cac758452fdc9b43a5bef82d38275912fa4575edfcb00a8ed53cef85fef |
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font_01_sfnt_off00008ab5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AB5 | 10316 bytes |
SHA-256: e2264afc7bbef6ad0f4277a38a16819a835778b1901e860a54da4a5aedddefbc |
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font_02_sfnt_off0000adfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADFE | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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