MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with a critical heuristic firing for a PDF link farm. One of these links, 'https://ttraff.cc/pify?keyword=teachers+day+quotes+in+english+pdf', is identified as a malicious redirector. The document body is heavily obfuscated but contains references to 'teachers day quotes in english pdf' and the wkhtmltopdf tool, suggesting a lure to disguise the malicious link farm. The primary attack pattern involves leveraging these links for malicious purposes, likely SEO manipulation or user redirection.
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=teachers+day+quotes+in+english+pdf In PDF document text
- http://files.cganim8tion.com/uploads/1/3/1/0/131070113/nesazivivafemakodusi.pdfIn PDF document text
- http://files.ceepromotionsbustrips.com/uploads/1/3/0/7/130739776/komufurodaxe.pdfIn PDF document text
- http://files.illuminatedjules.com/uploads/1/3/1/1/131164236/dixigoto.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/1/0434/2549/7239/files/paramore_ignorance_lyric.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/1314/0643/files/ultimate_guide_to_google_adwords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0357/4432/files/longman_dictionary_of_english_collocations.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5312/0664/files/65417098762.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0408/4899/files/98874291303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3450/8455/files/take_on_me_lyrics_meaning.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/lesazapipuwax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8153/9489/files/ablerex_1500l.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38664456414.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1868/9432/files/5284357425.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8812/1760/files/24991307563.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5695/4518/files/html_codes_file_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/9133103767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/5636/0600/files/nonlinear_composite_beam_theory_hodges.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5901/9927/files/date_plus_days.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_off00008366.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8366 | 5596 bytes |
SHA-256: e6ac7557354b9a46fe6f0aedef7879c28cd9e0b775a381e453f1c3ce605408a5 |
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font_01_sfnt_off00009668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9668 | 10044 bytes |
SHA-256: e65a76c6677acd51eea4bfb8d593701026a8606dbb18b2adb39ac43b3090a43d |
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