MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector pointing to 'https://ttraff.cc/pify?keyword=caulerpa+racemosa+pdf'. This redirector likely leads to a phishing page or malware download. The document body's obfuscated content and the presence of numerous links suggest an attempt to disguise malicious activity as legitimate content, likely a lure for users to download further payloads or visit malicious sites.
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=caulerpa+racemosa+pdf In PDF document text
- http://files.preducationalsolutions.com/uploads/1/3/2/6/132695662/6412502.pdfIn PDF document text
- http://files.charmsandsparklebyria.com/uploads/1/3/0/7/130775402/nulis.pdfIn PDF document text
- http://files.heartbirthandbaby.com/uploads/1/3/2/6/132695535/9707626.pdfIn PDF document text
- http://files.northglennhs.org/uploads/1/3/1/8/131872079/gusavatefivipo.pdfIn PDF document text
- http://files.sarahbaptistart.com/uploads/1/3/0/7/130775528/towojixomuba_jesozik_mepujevawaw_zokujutojunit.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/1/0431/9540/0356/files/90088978414.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2131/8818/files/52722672507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3241/1298/files/50275671689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4643/4976/files/download_streaming_video_chrome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7102/7865/files/xubiwapikosudibor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/coeliac_disease_review_articles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8349/6600/files/48596751401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5045/0600/files/pekolepevojerufalap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6043/6896/files/54700516445.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0269/9681/files/17405229903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3223/9528/files/7835811748.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1890/0888/files/bsc_1st_year_math_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0128/2711/files/rock_and_roll_part_2_lyrics.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_off00006b1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B1B | 5208 bytes |
SHA-256: 04f83fe11365e1964921c47b6ae5208cbc7f6893748a9be25923099860154e52 |
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font_01_sfnt_off00007cb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CB6 | 10328 bytes |
SHA-256: 95574b8648d2255001aa183ca28d78c62f99354a9f3a172b467edbf39c9ed1a8 |
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