MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at `ttraff.com`. The document body, though heavily obfuscated, contains text related to a 'Harry Potter acceptance letter template PDF' and includes the malicious URL, suggesting a lure. The presence of multiple PDF links, many pointing to `cdn.shopify.com` with seemingly random filenames, indicates a link farm or SEO poisoning attempt to drive traffic to the malicious redirector. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive document and malicious links.
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.com/pify?keyword=harry+potter+acceptance+letter+template+pdf In PDF document text
- http://tubale.nowitmakestense.com/uploads/1/3/1/3/131380126/wunukesurufotim.pdfIn PDF document text
- http://zivexere.philipokeeffe.com/uploads/1/3/1/6/131607163/xutepob.pdfIn PDF document text
- http://files.saintalphonsusschool.org/uploads/1/3/1/8/131857071/b41fba5.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/1/0437/5108/0087/files/queen_bohemian_rhapsody_piano_solo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6369/6805/files/fibonujinamawot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9854/6084/files/23759860606.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5712/7336/files/kefivaluxerazazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5318/5174/files/jebaji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6191/1458/files/85104404386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7608/4117/files/65666610807.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5920/7582/files/code_in_discord.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3526/3138/files/7244589197.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2117/2897/files/67278892571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2508/8168/files/fundamentals_of_python_first_programs_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1254/6975/files/fozeridivawibibigeruz.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_off00005f87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F87 | 4928 bytes |
SHA-256: f633c54f2c1c75769914fc49efbafa5df41b14450146b1fe888f52e9d3cc1c8a |
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font_01_sfnt_off00007037.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7037 | 10128 bytes |
SHA-256: bc09a315c87c1a66e0fb6824c7231c7e2c4e5883cfbe66db0f27f6987327132f |
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font_02_sfnt_off000092db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92DB | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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