MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous links, with a critical heuristic firing indicating a link to a known malicious redirector at 'ttraff.com'. Another critical heuristic identified a mass external PDF link farm, with the first URL pointing to 'cdn.shopify.com'. The document body, though heavily obfuscated, suggests a lure related to a 'Bootstrap 4 tutorial pdf'. The combination of these factors strongly indicates a phishing or malware distribution attempt.
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=bootstrap+4+tutorial+pdf In PDF document text
- http://files.applied-magnetics-shop.com/uploads/1/3/1/0/131070151/d4acf45.pdfIn PDF document text
- http://files.wompostcoop.com/uploads/1/3/0/7/130776222/ripamuru.pdfIn PDF document text
- http://files.tpd-art.com/uploads/1/3/0/9/130969942/vomizov-xajinoxabij-lolakajexaku-waseda.pdfIn PDF document text
- http://files.fraclan.com/uploads/1/3/0/8/130874180/jepixodixijasagu.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/1/0431/5506/2938/files/32521431925.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7573/9560/files/96622753208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4309/4677/files/jirivofavatosukulelizifik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5271/1581/files/jiraxekos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8737/9094/files/dizuzalefefebavuraz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/pamevuxogoginipejisuxere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2724/2903/files/64479291184.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4338/9597/files/joralerepiwizoxebotalinuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3065/9750/files/zemidoxivoxega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2816/0420/files/20094021772.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9480/2581/files/19355455925.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5429/3402/files/63436986644.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5117/9423/files/55876691416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91960476686.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7542/6721/files/zesekibibowivupopidopi.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007e02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E02 | 4828 bytes |
SHA-256: a88a075e8470afa03aecc90063b454a6e441d9e796e16ef36282d238409d5c66 |
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font_01_sfnt_off00008e7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E7F | 14780 bytes |
SHA-256: f75ed820fc7f00f18365f9d9070fd93fd08cd97d41489749b695a1ece6d03811 |
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