MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links designed to create an SEO link farm, redirecting users through malicious infrastructure. The primary redirector URL is https://ttraff.cc/pify?keyword=op+amp+circuit+examples+pdf, which likely leads to a phishing or malware distribution site. The document body, though heavily obfuscated, contains references to the redirector and benign-looking Shopify URLs, suggesting a lure to download further malicious content.
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=op+amp+circuit+examples+pdf In PDF document text
- http://files.alphatrucksolutions.com/uploads/1/3/0/7/130775387/beae45597bf6.pdfIn PDF document text
- http://files.liveinpeaceministries.org/uploads/1/3/0/8/130814078/gulebibonanowa_guwurupi_fotewasajako.pdfIn PDF document text
- http://files.hwah.ca/uploads/1/3/2/6/132681482/6419870.pdfIn PDF document text
- http://files.chestnuthillonline.org/uploads/1/3/1/8/131872079/vabiv-zetite-selamexemalo.pdfIn PDF document text
- http://files.blbrunnemer.com/uploads/1/3/1/4/131408024/sosexuvirewizil-daxije-petudobibu.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/1/0428/9835/8432/files/gamusuzojikifikukudubug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6686/0455/files/zepiwupokejisovatiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3952/1959/files/64533511303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0230/4408/files/zugofetaranimowakef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2897/0647/files/job_application_form_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7728/8611/files/papenima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2684/9697/files/tonojurazoxawefipozuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4192/9886/files/suwidoxizitexiwiketitud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2354/0124/files/35113166096.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7643/5621/files/58332106019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0910/6332/files/lemewonubibinizoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6244/2646/files/4427263644.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8187/3048/files/sirasavumunixusunolar.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_off00006882.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6882 | 5396 bytes |
SHA-256: 74e3b34b179dfa8eabc42bef5ac245133061742177ad23178db9769615713562 |
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font_01_sfnt_off00007ac5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AC5 | 10276 bytes |
SHA-256: 9f4762a31b6ed0961f48ba02b8394f24510ae144a92a0c03d1d9aff0c15cd22f |
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