MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a prominent link that redirects to a malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially corrupted, contains text suggesting a lure related to 'reading and writing skills' and includes the malicious URL. The ML_NYX_PDF_MALICIOUS heuristic also strongly suggests malicious intent. The PDF_SEO_LINK_FARM heuristic indicates the PDF is part of a larger link farm designed to attract traffic.
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=unlock+reading+and+writing+skills+pdf In PDF document text
- http://files.jackappaleague.com/uploads/1/3/2/7/132710676/2624627.pdfIn PDF document text
- http://xaxubaw.keokitavares.net/uploads/1/3/2/6/132695663/32df8c818d2.pdfIn PDF document text
- http://files.speedcontainerline.com/uploads/1/3/1/3/131383651/zadowa.pdfIn PDF document text
- http://jelokovew.4jarchitecture.com/uploads/1/3/0/8/130874655/9829043.pdfIn PDF document text
- http://files.bewellacupunctureclinic.com/uploads/1/3/1/0/131070452/pabunefete.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/1/0432/6014/9910/files/wirale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/wiwiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0304/4263/files/sotimis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4358/4162/files/21st_century_teachers_tales_phonics_in_reading_for_beginners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0796/5345/files/midas_trend_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7650/2175/files/dosukegazajem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4669/9165/files/berger_color_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7957/3414/files/52103752678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5943/6968/files/8302353384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/54975672832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3617/1688/files/wiring_simplified_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0214/9539/files/rounding_numbers_in_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0819/5735/files/xijefiwom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4995/1125/files/delixotipib.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_off000172e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172E4 | 5468 bytes |
SHA-256: 10a4d1f02191e3e3f5e3f7f35bb95fcb612bb602f69078dd527bb2f9e4f9cd93 |
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font_01_sfnt_off0001859d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1859D | 13664 bytes |
SHA-256: 819ac01584b0ad6c5fca600b256d0ecabcd507a264fc36aa18459885fd387e95 |
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