MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF document contains embedded URLs and a document body that mimics a search result for an academic textbook, including a direct link to download a PDF. The presence of a 'download button' heuristic and the ML classifier flagging the PDF as malicious strongly suggest a phishing or malware delivery attempt. The primary IOC is the URL used for the purported download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9340
Heuristics 4
-
Fake 'free download' SEO-poisoning PDF critical PDF_SEO_FAKE_DOWNLOADThe ML classifier flagged this PDF AND it carries a visual download/call-to-action lure AND an off-domain server-side download-gateway link whose query string names a document payload. This three-signal conjunction is the fake-document / 'free PDF download' SEO-poisoning delivery pattern: the page is padded with benign decoy links to dilute classifier scores while funnelling the victim through the gateway to malware/scareware. Acting only on the conjunction keeps benign download-bearing PDFs from being misflagged.
-
PDF carries a PHP-gateway SEO-spam PDF link farm medium PDF_SEO_PHP_GATEWAY_LINK_FARMPDF contains four or more clickable links whose target is a `.php` gateway with a multi-word search-PHRASE document slug embedded after it (e.g. 'index.php?.../binary+options+trading+nz.pdf' or 'pdf.php/cialis-dosage-side-effects.pdf'). Legitimate PHP-served documents use a filename or numeric id, not a search-query phrase, so this is the generated SEO link-farm shape — pharma / binary-options / 'free download' spam that ranks for queries and routes users into payload/redirect chains. The PDF itself carries no exploit — the risk is the linked destinations.
-
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
-
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 http://uncpbisdegree.com/download3.php?q=test-bank-for-intermediate-accounting-13th-edition.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=test-bank-for-intermediate-accounting-13th-edition.pdfIn PDF document text
- http://testbankgo.info/review-test-bank/In PDF document text
- http://testbankgo.eu/tabloski-gerontological-nursing-3e/In PDF document text
- http://testbankgo.eu/concept-3-family-dynamicsfree/In PDF document text
- https://www.wileyplus.com/course-catalog/In PDF document text
- https://cydiadownloads.org/books/204462/biological_psychology_kalat_10th_edition_pdf.pdfIn PDF document text
- http://buros.org/tests-reviewed-mental-measurements-yearbook-seriesIn PDF document text
- http://www.randstad.ca/In PDF document text
- http://www.bibme.org/In PDF document text
- https://ipasstheciaexam.com/cia-exam-part-3/In PDF document text
- http://www.standrewfl.org/In PDF document text
- https://www.g-w.com/digital/online-textbooks.aspxIn PDF document text
- http://www.unisa.ac.za/sites/myunisa/default/Books/e%E2%80%93BookshopIn PDF document text
- https://www.scottaaronson.com/blog/?p=1385In PDF document text
- https://crosswordhobbyist.com/all_puzzlesIn PDF document text
- https://ipsum.im/In PDF document text
- http://hamburggermany.men/Hamburg-Germany/Hamburg-Germany_cc.phpIn PDF document text
- http://uncpbisdegree.com/1/the-business-martina-cole.pdfIn PDF document text
- http://uncpbisdegree.com/1/suzuki-df225-outboard-service-manual.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-american-people-vol-2-creating-a-nation-and-a-society.pdfIn PDF document text
- http://uncpbisdegree.com/1/solution-manual-for-slotine-nonlinear.pdfIn PDF document text
- http://uncpbisdegree.com/1/stu-schwartz-solutions-definite-integral-and-accumulation.pdfIn PDF document text
- http://uncpbisdegree.com/1/that-which-we-are.pdfIn PDF document text
- http://uncpbisdegree.com/1/that-place-you-go-when-you-dream-children-apos-s-poetry-volume-1.pdfIn PDF document text
- http://riverside-resort.net/1/your-best-year-in-network-marketing.pdfIn PDF document text
- http://uncpbisdegree.com/1/sulphur-price-2018.pdfIn PDF document text
- http://riverside-resort.net/1/union-stockyards-omaha.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.chegg.com/homework-help/textbook-solutions/business-accounting-s37In PDF document text
- http://www.chegg.com/homework-help/textbook-solutions/business-financial-accounting-s133In PDF document text
- https://en.wikipedia.org/wiki/InventoryIn PDF document text
- https://mail.google.com/mail/u/0/In PDF document text
- https://en.wikipedia.org/wiki/MaltaIn PDF document text
- http://www.loot.co.za/index/html/index3927.htmlIn PDF document text
- http://www.loot.co.za/index/html/index1982.htmlIn PDF document text
- http://go.microsoft.com/fwlink/?LinkID=617350In PDF document text
- http://go.microsoft.com/fwlink/?LinkId=521839&CLCID=0409In PDF document text
- http://go.microsoft.com/fwlink/?LinkID=246338&CLCID=0409In PDF document text
- https://go.microsoft.com/fwlink/?linkid=868922In PDF document text
- http://go.microsoft.com/fwlink/?LinkID=286759&CLCID=409In PDF document text
- http://go.microsoft.com/fwlink/?LinkID=617297In PDF document text
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000049be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x49BE | 10164 bytes |
SHA-256: d3cb3c94eea70fd7b0d16557642deae39d6d4a1ddc6a825b4c26373f232231ae |
|||
font_01_sfnt_off00006a11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A11 | 7712 bytes |
SHA-256: f0dcedb7cb2c2befaea4fe9dab648554ee886a6765be20e6484d3e45138ecb95 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.