MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. Another critical heuristic identifies this as a PDF link farm, likely for SEO spam or to obscure malicious destinations. The document body contains garbled text and a URL that appears to be part of the link farm. No scripts were extracted, but the sheer volume of links and the presence of a malicious redirector strongly suggest a malicious intent to lure users to harmful 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=amsler+grid+chart In PDF document text
- http://regetesi.enactyourfuture.com/uploads/1/3/1/4/131482933/fasefekajopidowa.pdfIn PDF document text
- http://files.efhsvolleyballboosterclub.org/uploads/1/3/0/8/130813710/3245133.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/5124/5987/files/47015305893.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2668/5850/files/xemesobikijegutij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0593/4757/files/17818054227.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2795/4840/files/88691683690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8181/7495/files/pip_claim_form_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5318/7223/files/1077534511.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lufixupiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1510/0826/files/july_calendar_2020_printable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4973/0727/files/15616868879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7157/8024/files/4153820452.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7931/8166/files/56057061375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4627/2162/files/19599804230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7730/4481/files/wunowiripafegoda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7029/1096/files/52882096544.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8136/5659/files/fukeloralerazu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000707e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x707E | 4912 bytes |
SHA-256: aaa26cbf8764763e870976b46df78d6c6ec9de6b8a6c327019779e2b8cb13756 |
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font_01_sfnt_off00008121.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8121 | 10412 bytes |
SHA-256: c4ef9154d8c777f752b9fc119b9d5e6389e81c89710356e91d075b2536b18ff6 |
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font_02_sfnt_off0000a4b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4B8 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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