MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting a lure related to 'bookkeeping 1 tutorial pdf' and the malicious URL itself. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm used for SEO poisoning or distributing malicious content. No scripts were extracted from this sample.
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.ru/pify?keyword=bookkeeping+1+tutorial+pdf In PDF document text
- http://xobaledo.iqjointventureholdings.net/uploads/1/3/1/4/131408024/luxob.pdfIn PDF document text
- http://bupure.libraryofwhispers.com/uploads/1/3/1/3/131383664/067b7d90445.pdfIn PDF document text
- http://files.astoria2000.net/uploads/1/3/0/7/130775245/ebd0d2.pdfIn PDF document text
- http://files.bayjedesigns.com/uploads/1/3/1/3/131398109/154b1.pdfIn PDF document text
- http://files.missiontrips.livingwatersspanish.com/uploads/1/3/1/4/131436991/jawunilat_pegimosi_wefipaperolet_zuxuvasipeku.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/1/0434/0016/7589/files/70984632105.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6074/6648/files/chaim_potok_the_chosen_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2143/4005/files/dujenagemikiparoribivem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9956/2911/files/88490807844.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9890/6528/files/jivirukuzuwuzimejigu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8362/8697/files/vizidalagibokero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1497/8718/files/88871550755.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6385/2712/files/xipeloxebaxata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8217/6917/files/angle_sum_of_triangles_and_quadrilaterals_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1514/3587/files/rhetorical_analysis_essay_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5874/7800/files/srimad_bhagavad_gita_english_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8748/7385/files/reducing_size_of_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6337/7048/files/60583081316.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
🗂 Part of campaign:
believethebestisyettocome.com
6 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB813 | 5196 bytes |
SHA-256: f999d40d61c45291ded7648b941cc2c2e6b40bae5be5592dfdff55487809cc43 |
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font_01_sfnt_off0000c9e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9E0 | 10472 bytes |
SHA-256: de0a4a08921a537e57277ede65688c41c18dc21cccd3556d181346dd9031274a |
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