MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO poisoning. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=reusable+baking+paper+sheets'. The document body, though heavily obfuscated, contains this URL and other PDF links, indicating a social engineering attempt to drive traffic to malicious infrastructure.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=reusable+baking+paper+sheets In PDF document text
- http://files.capitalfinancialplanningcharitablefoundation.com/uploads/1/3/1/4/131437669/9624467.pdfIn PDF document text
- http://zosen.greenblackdress.com/uploads/1/3/1/4/131407405/60201ff.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/1/0429/7906/6009/files/fezumikunilaratit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8298/7158/files/the_communicative_grammar_of_english_workbook_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6815/2216/files/a_hat_in_time_modding_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60801944673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3712/0933/files/54314857303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1819/6891/files/revista_natura_ciclo_8_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5955/2166/files/penivojawij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3741/6869/files/xuwixadisowewotuxeko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6640/7589/files/java_method_signatures.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3625/9990/files/dmv_california_practice_test_2016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3097/7431/files/ad_blocker_free_ios.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1049/0519/files/compendio_de_apologetica_catolica_jose_miguel_arraiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0255/1716/files/zezepidexonavigezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8512/8090/files/76822507991.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5625/7441/files/69475992943.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_off000063f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63F3 | 5292 bytes |
SHA-256: f8e1067525ee8044809d1ac9159be7d557cc424dc116f911c6677d0fe5243504 |
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font_01_sfnt_off000075da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75DA | 4580 bytes |
SHA-256: c60a881e71c4d557745100e696ed4110551289ba70b5814ae4c2ba4364d96f06 |
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font_02_sfnt_off00008236.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8236 | 9932 bytes |
SHA-256: 65af334f7971548dd65b500fcd5668db3571738e809fe9275b27518fc8c4f5d0 |
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